CN206209647U - Touch screen and electronic equipment - Google Patents
Touch screen and electronic equipment Download PDFInfo
- Publication number
- CN206209647U CN206209647U CN201620686206.9U CN201620686206U CN206209647U CN 206209647 U CN206209647 U CN 206209647U CN 201620686206 U CN201620686206 U CN 201620686206U CN 206209647 U CN206209647 U CN 206209647U
- Authority
- CN
- China
- Prior art keywords
- pressure sensitive
- display module
- touch screen
- touch
- sensitive layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model proposes touch screen and electronic equipment, the touch screen includes：Cover sheet；Display module, the display module is arranged on the lower section of the cover sheet, and the display module is organic light emitting display module；Pressure sensitive layer, the pressure sensitive layer is coupled and forms pressure sensitive electric capacity with the negative electrode in the organic light emitting display module, there is compressible gap, the pressure sensitive layer is located in the display module side or the display module between the pressure sensitive layer and the negative electrode.Pressure sensitive electric capacity is constituted using negative electrode and the pressure sensitive layer of organic light emitting display module and is conducive to cost-effective, improve the degree of integration of the touch screen, simplify preparation technology, reduce the thickness of the touch screen.
Description
Technical field
The utility model is related to electronic applications, more particularly to touch screen and electronic equipment.
Background technology
Touch screen is because having the advantages that ease for operation, intuitive and flexibility, it has also become PMC equipment and comprehensive
Close primary human's interactive meanses of information terminal such as panel computer and smart mobile phone, super notebook computer etc..Touch screen according to
Different touch-control principles can be divided into resistance touch screen, capacitive touch screen, infrared touch screen and surface acoustic wave (SAW) touch screen etc. four
Plant main Types.Current capacitive touch screen, is mainly used to perceive the touch position of plane (X, Y-axis two-dimensional space) where screen body
Put, it is difficult to perceive the touch parameter perpendicular to screen body plane (Z axis).
Utility model content
The utility model is intended at least solve to a certain extent one of technical problem in correlation technique.Therefore, this reality
It is that a kind of three-dimensional multi-point touch control screen is provided with a new purpose.
In one side of the present utility model, the utility model proposes a kind of touch screen, the touch screen includes：Protection
Cover plate；Display module, the display module is arranged on the lower section of the cover sheet, and the display module is organic light emitting display
Module；Pressure sensitive layer, the pressure sensitive layer is coupled and forms feeling of stress with the negative electrode in the organic light emitting display module
Electric capacity is answered, there is compressible gap between the pressure sensitive layer and the negative electrode, the pressure sensitive layer is located at the display
In module side or the display module.Pressure sensitive is constituted using the negative electrode and pressure sensitive layer of organic light emitting display module
Electric capacity is conducive to cost-effective, improves the degree of integration of the touch screen, simplifies preparation technology, reduces the thickness of the touch screen.
Optionally, the compressible gap is by air, the part of the organic light emitting display module and elastic membrane material
At least one of constitute.Thus, in actual use, at least one of pressure sensitive layer and negative electrode can be with perpendicular to screen bodies
There is different degrees of deformation in the difference of plane touch-control dynamics, by detect before and after touch-control pressure sensitive layer and the negative electrode it
Between capacitance change, to perceive the change of the touch-control pressure on diverse location, such that it is able to realize the feeling of stress of the touch screen
Answer function.And can be pressure sensitive layer and negative electrode provide enough deformation in the compressible gap that above-mentioned material or part are constituted
Space, such that it is able to further improve the pressure sensitive effect of the touch screen.
Optionally, the pressure sensitive layer is located at the lower surface of the display module, and the compressible gap is located at described
Between pressure sensitive layer and the display module, the compressible gap is made up of the elastic membrane material, and the elastic membrane material is
Foam rubber, Bio-sil or porous membrane material.Thus, it is possible to when there is pressure touch, make pressure sensitive layer preferably with aobvious
Show that module is deformed upon, such that it is able to further improve sensitivity level of the touch screen to pressure sensitive.
Optionally, the minus earth, the pressure sensitive layer includes driving electrodes and emission electrode, the driving electrodes
The first inductance capacitance is formed between the emission electrode, the second induced electricity is formed between the driving electrodes and the negative electrode
Hold, the 3rd inductance capacitance is formed between the emission electrode and the negative electrode.Thus, it is possible to further improve the touch screen to pressure
The sensitivity level of power sensing.
Optionally, the organic light emitting display module is active organic light emitting display module or passive organic light-emitting
Display module.Thus, it is possible to extend the range of application of the touch screen.
Optionally, the organic light emitting display module is hard screen structure or soft screen structure.Thus, it is easy to technical staff's root
According to the application request of the touch screen, the structure to the organic light emitting display module is selected.
Optionally, the touch screen is further included：Touch-control sensing layer, touch-control sensing layer be located at the cover sheet with
And between the display module, and touch electric capacity can be formed with the object for applying touch operation, the pressure sensitive layer is set
On the lower surface of touch-control sensing layer.It is cost-effective and have thus, it is possible to further improve the degree of integration of the touch screen
Beneficial to the thickness for reducing the touch screen.
Optionally, in the touch control detection period, position of touch is determined by the change for detecting the touch electric capacity；In pressure inspection
The period is surveyed, by detecting that the pressure sensitive capacitance variations determine touch-control pressure.Thus, it is possible to realize pressure sensitive and touch
The timesharing detection of control.
In another aspect of the present utility model, the utility model proposes a kind of electronic equipment.The electronic equipment includes touching
Control is shielded and is used to support the center of the touch screen, and the touch screen is including cover sheet, below the cover sheet
Organic light emitting display module and pressure sensitive layer, the pressure sensitive layer are located on the center, and aobvious with the organic light emission
Show that the negative electrode in module is coupled and forms pressure sensitive electric capacity, have between pressure sensitive layer and the negative electrode it is compressible between
Gap.The electronic equipment has the advantages that simple structure, with low cost and degree of integration are high.
Optionally, the minus earth, the pressure sensitive layer includes driving electrodes and emission electrode, the driving electrodes
The first inductance capacitance is formed between the emission electrode, the second induced electricity is formed between the driving electrodes and the negative electrode
Hold, the 3rd inductance capacitance is formed between the emission electrode and the negative electrode.Thus, it is possible to further improve the electronic equipment pair
The sensitivity level of pressure sensitive.
Brief description of the drawings
Fig. 1 shows the structural representation of the touch screen according to the utility model one embodiment；
Fig. 2 shows the structural representation of the organic light emitting display module according to the utility model one embodiment；
Fig. 3 shows the structural representation of the touch screen according to the utility model one embodiment；
Fig. 4 shows the structural representation of the touch screen according to the utility model another embodiment；
Fig. 5 shows the structural representation of the touch screen according to the utility model another embodiment；
Fig. 6 shows that the structure of pressure sensitive layer, substrate and screen layer according to the utility model one embodiment is shown
It is intended to；
Fig. 7 shows the structural representation of the electronic equipment according to the utility model one embodiment；
Fig. 8 A- Fig. 8 E show the electrode structure schematic diagram of the pressure sensitive layer according to the utility model embodiment；And
Fig. 9 A- Fig. 9 C show the pressure sensitive electrode shape schematic diagram according to the utility model embodiment.
Description of reference numerals：
100：Cover sheet
200：Display module；210：Substrate；220：Anode；230：Organic luminous layer；240：Negative electrode；250：Polaroid
310：Pressure sensitive layer；
10：Pressure sensitive electrode；20：Shielding line；30：Emission electrode；
400：Center
500：Compressible gap
600：Touch-control sensing layer
700：Screen layer
800：Substrate
1000：Electronic equipment；1100：Touch screen
Specific embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein ad initio
Same or similar element or element with same or like function are represented to same or similar label eventually.Below by ginseng
The embodiment for examining Description of Drawings is exemplary, is only used for explaining the utility model, and it is not intended that to of the present utility model
Limitation.
In description of the present utility model, term " on ", D score, " vertical ", " level ", " top ", " bottom ", " width ", " thick
The orientation or position relationship of the instructions such as degree " are, based on orientation shown in the drawings or position relationship, to be for only for ease of and describe this reality
With new rather than requiring that the utility model must be with specific azimuth configuration and operation therefore it is not intended that new to this practicality
The limitation of type.In the utility model, the term such as touch screen, electronic equipment, cover sheet isostructural " upper surface ", " top "
Refer in particular in actual use, the equipment such as touch screen or structure pass through to touch or pressure touch pair towards the side of user, i.e. user
Touch screen or electronic equipment implement the side of operation.
Of the present utility model in a first aspect, the utility model proposes a kind of touch screen.Specifically, with reference to Fig. 1, this is touched
Control screen includes：Cover sheet 100, display module 200 and pressure sensitive layer 310.Wherein, cover sheet 100 is located at display mould
The top of group 200, display module 200 is organic light emitting display module.The moon in pressure sensitive layer 310 and organic light emitting display module
Pole 240 couples and forms pressure sensitive electric capacity, and has compressible gap 500 between pressure sensitive layer 310 and negative electrode 240.Adopt
Pressure sensitive electric capacity is formed with pressure sensitive layer 310 with the negative electrode 240 of organic light emitting display module, is conducive to cost-effective, carried
The degree of integration of the touch screen high, reduces the thickness of the touch screen.Generally speaking, the touch screen has preparation process is simple, touches
The advantages of control screen flatness is good, sensing is sensitive.It should be noted that the position of pressure sensitive layer 310 is merely illustrative in Fig. 1
, it is impossible to it is interpreted as to limitation of the present utility model.Particular location on pressure sensitive layer 310, will be carried out in detail later
Explanation.
Understand for convenience, the principle worked according to the touch screen of the utility model embodiment is carried out briefly first below
Explanation：When touch screen is pressed by touch, pressure sensitive layer can be with the structure such as cover sheet 100 and display module 200 together
Deform upon.That is, the ground plane according to the utility model embodiment is when touch screen is touched pressing, pressure sensitive layer
Pressure sensitive electric capacity between 310 and negative electrode 240 can change with the change of distance between two-layer.According to Formulas I
Electric capacity computing formula：
C=ε S/4 π kd Formulas I
The dielectric of medium between electric capacity C and two pole plates (i.e. pressure sensitive layer 310 and negative electrode 240) for constituting the electric capacity
The distance between constant ε, polar plate area S and pole plate d is about (k is the constant related to permittivity of vacuum).Work as pressure sensitive
Between layer 310 and negative electrode 240 distance change (the d values i.e. in Formulas I) when, the pressure sensitive formed between above-mentioned two-layer is electric
Appearance also changes, and the change of above-mentioned distance is relevant with the pressure being applied on touch screen.Therefore, it can set up pressure sensitive
The capacitance variation information of structure and the correlation database by force information of touch screen.Thus, it is possible to realize to perpendicular to screen
The touch parameter (i.e. touch pressure) of body plane is perceived.In specific signal detection process, can be direct or indirect
Foregoing pressure sensitive electric capacity is measured, such as foregoing pressure sensitive is directly measured by from the detection method of appearance or double-deck mutual tolerance
Electric capacity, or foregoing pressure sensitive electric capacity is measured by the detection method of individual layer mutual tolerance indirectly.For individual layer mutual tolerance detection method,
The correlation database by force information of detection capacitance signal and touch screen can also be set up, so as to realize touch pressure sense
Know.
Below to being described in detail according to the unit of touch screen of the present utility model.
According to embodiment of the present utility model, with reference to Fig. 4 and Fig. 5, between pressure sensitive layer 310 and negative electrode 240
With compressible gap 500.Compressible gap 500 can be that pressure sensitive structure is carried when pressing touch-control is carried out to touch screen
For the space of deformation.The compressible gap can be by the part in air, elastic membrane material and organic light emitting display module extremely
It is one of few to constitute.Thus, it is possible to realize the pressure sensitive function of the touch screen.In this application, term " elastic membrane material " refers to tool
There is certain elasticity, can be risen with the structure such as cover sheet 100 and display module 200 one when the touch screen is depressed
Raw deformation, and in deformation, what at least one of thickness of the elastic membrane material can change in pressing can be into membrane material
Material.Those skilled in the art can select appropriate elastic membrane material according to mentioned above principle according to the actual requirements, constitute compressible
Gap 500.Specifically, the elastic membrane material can be foam rubber, Bio-sil or porous membrane material.According to implementation of the present utility model
Example, can in compressible gap 500 filled and process, gel, foam rubber or other have and above-mentioned meet elastic membrane material feature
Porous material, constitute according to the compressible gap 500 of the utility model embodiment.For example, according to of the present utility model specific
Embodiment, with reference to Fig. 4, pressure sensitive layer 310 can directly pass through foam rubber, OCA (Optically Clear Adhesive,
Optical cement), the elastic gum such as silica gel fit in the lower surface of display module 200.In other words, pressure sensitive layer 310 can be set
In the lower surface of display module 200, and have by above-mentioned elastic membrane material between pressure sensitive layer 310 and display module 200
The compressible gap 500 for constituting.It will be appreciated to those of skill in the art that the position in compressible gap 500 is only in upper figure
Exemplary description, in actual applications, as long as compressible gap 500 is located between pressure sensitive layer 310 and negative electrode 240 i.e.
Can.In embodiment of the present utility model, the thickness in compressible gap 500 can be between 0.05-0.5 millimeters, identical product
The difference in thickness in the compressible gap 500 between variant position may remain between 0.02-0.2 millimeters, thereby, it is possible to protect
The good homogeneity of card.
According to embodiment of the present utility model, cover sheet 100 is arranged on the top of touch screen, so as to for according to this reality
Protection is provided with the miscellaneous part of the touch screen of new embodiment.According to embodiment of the present utility model, the tool of cover sheet 100
Body material is not particularly limited, and those skilled in the art can be carried out according to actual conditions to the material for constituting cover sheet 100
Selection.For example, according to specific embodiment of the utility model, cover sheet 100 for glass, sapphire and transparent can have
Machine film (such as the polymer organic such as polymethyl methacrylate film) is constituted.Above-mentioned material wide material sources, it is readily available, Neng Gouwei
The touch screen provides the protection with sufficient intensity, and light transmission is good, does not interfere with the display function of the touch screen.
It will be appreciated to those of skill in the art that also there are other for realizing display function in display module 200
Structure.According to embodiment of the present utility model, with reference to Fig. 2, display module 200 can have substrate 210, anode 220, You Jifa
Photosphere 230, negative electrode 240 and polaroid 250.It should be noted that organic light emitting display module shown in Fig. 2 is specific
What structure was merely exemplary, in actual applications, display module 200 can also have other structures or part, display module
Structure or part in 200 can also have other position relationships.For example, display module 200 can also have control luminous
The TFT thin film transistor (TFT)s control circuit of display switch, does not mark in figure.In some display modules 200, polarisation can not included
Piece 250.In some display modules 200, colored filter can also be included.In having some display modules 200, anode 220
The top (i.e. near user side) of organic luminous layer 230 is may be located on, negative electrode 240 may be located at organic luminous layer 230
Lower section.
It should be noted that in the utility model, the particular type of display module 200 is not particularly limited, this area
Technical staff can select according to the actual requirement of the touch screen, the particular type to display module 200.For example, according to
Embodiment of the present utility model, the organic light emitting display module that display module 200 contains can be active organic light emitting display
Module, is also called active matrix organic light-emitting display module (Active-matrix organic light emitting
Diode, AMOLED), i.e., the organic light emitting display module includes thin film transistor (TFT) (TFT), and utilizes various organic compound realities
The red, green, blue of existing independent pixel point is lighted, and the voltage of above-mentioned pixel is controlled using TFT.Thus, it is possible to realize preferable color
Color display effect, and the organic light emitting display module thinner thickness.Or, the organic light emitting display module can also be passive
Formula organic light emitting display module (Passive matrix OLED, PMOLED), i.e. PMOLED includes anode and negative electrode, profit
The luminous of each pixel is controlled with the voltage difference between anode and negative electrode.Thus, be conducive to simplifying the preparation work of the touch screen
Skill, reduces production cost.According to other embodiments of the present utility model, the organic light emitting display module can be hard screen knot
Structure, or soft screen structure.I.e. in the organic light emitting display module, organic compound encapsulating structure and TFT is constituted
Substrate can be glass (i.e. hard screen structure), or flexible membrane material (i.e. soft screen structure).Thus, be easy to technical staff according to
The application request of the touch screen, the structure to the organic light emitting display module is selected.
According to embodiment of the present utility model, the specific material of decomposition pressure inductive layer 310 and pressure sensitive layer 310
Concrete structure is also not particularly limited, and those skilled in the art can be designed according to actual conditions.For example, according to this practicality
New embodiment, pressure sensitive layer 310 can by ITO, metal grill (metal mesh), development conducting film, be coated with
The graphene layer (such as Cu, Ag coating, or metal organic ink, such as silver paste, copper slurry) of metal is formed.Pressure sensitive layer
310 specific set-up mode is also not particularly limited, for example, according to embodiment of the present utility model, can be by needing to set
The position plating conductive layer of pressure sensitive layer 310 is put, the feeling of stress with predetermined electrode pattern is then formed by modes such as etchings
Answer layer 310, it is also possible to pressure sensitive layer 310 is directly formed by silk-screen printing.In some embodiments of the present utility model, pressure
Power inductive layer 310 can be formed in flexible parent metal (such as transparent organic film material of PET, PC etc.), it is also possible in flexible parent metal
Upper formation groove, pressure sensitive layer 310 is arranged in groove.
It will be appreciated to those of skill in the art that in order to improve pressure sensing effect, with reference to Fig. 8 A- Fig. 8 D, feeling of stress
Answering the surface of layer 310 can have multiple pressure sensitive electrodes 10, and multiple pressure sensitive electrodes 10 constitute electrod-array.Using electricity
Pole array carries out independent detection to the touch-control pressure of the diverse location of the touch screen, can improve the sensitivity level of pressure detecting.
Specifically, multiple pressure sensitive electrodes 10 can independently form pressure sensitive electric capacity between negative electrode 240, to react this
The capacitance of touch-control screen surfaces different loci.For example, with reference to Fig. 8 A, pressure sensitive layer 310 can be by multiple regularly arranged pressures
Power induction electrode 10 is constituted.By adjusting the area of each pressure sensitive electrode 10, each pressure sensitive electrode can be adjusted
10 original capacitance value (capacitance when i.e. touch-control screen surfaces are by touch control operation).Using the regularly arranged electrode of above-mentioned multiple
Covering needs to carry out pressure sensing region, it is possible to achieve the test point of touch screen monitored area is uniformly distributed.Art technology
Personnel are not, it is understood that the concrete shape of above-mentioned multiple pressure sensitive electrodes 10, arrangement mode and quantity are limited especially
System, can be designed according to the touch screen for the specific requirement of pressure sensing susceptibility.For example, with reference to Fig. 8 B, it is multiple
The area of pressure sensitive electrode 10 (10A and 10B) can not be all equal.Because pressure sensitive 310 diverse location of layer are being received
The deformation degree produced during to touch-control pressure perpendicular to touch screen is different, therefore the area of multiple pressure sensitive electrodes 10 is not complete
The equal initial capacitance for being conducive to adjusting diverse location using electrode area in portion, so as to be conducive to strengthening each position on the touch screen
The pressure sensitive sensitivity level put.For example, according to specific embodiment of the utility model, because touch screen middle position is being subject to
Deformation during pressure touch is bigger compared with touch screen edge, positioned at the area of the pressure sensitive electrode 10B of touch screen middle position
The area of the pressure sensitive electrode 10A positioned at touch-control platen edge can be less than.With reference to Fig. 8 C, pressure sensitive electrode 10 can also be
Strip shaped electric poles with hollow out shape, and by the regularly arranged of multiple hollow out electrodes (arrangement mode of 10A-10D such as in figure),
Electrod-array is formed, and each pressure sensitive electrode 10 independently forms pressure sensitive electric capacity with negative electrode 240, such that it is able to
Further improve pressure sensing susceptibility and the degree of accuracy.
In order to further improve the pressure touch inductive effects of the touch screen, according to embodiment of the present utility model, pressure
Inductive layer 310 can also further have shielding line 20.Specifically, with reference to Fig. 8 D, shielding line 20 can be around pressure sensitive electricity
Pole 10 is set.Thus, it is possible to the signal between adjacent pressure sensitive electrode is shielded to prevent from interfering with each other using the shielding line,
Such that it is able to improve pressure sensitive 310 sensitivity and order of accuarcy for pressure sensitive of layer.
According to some embodiments of the present utility model, with reference to Fig. 8 E, the pressure sensitive electrode on first pressure inductive layer 310
There can also be multiple pressure sensitive electrodes 10, and respectively as driving electrodes (i.e. pressure sensitive electrode 10 shown in Fig. 8 E)
And emission electrode 30.Now, couple to form first pressure inductance capacitance, driving electrodes between driving electrodes and emission electrode 30
The second inductance capacitance is formed between the (not shown) of negative electrode 240, between emission electrode 30 and the (not shown) of negative electrode 240
The 3rd inductance capacitance is formed, negative electrode 240 is grounded.When the touch screen is subject to pressed by external force touch-control, pressure sensitive layer 310 is due to hair
Raw deformation, the distance between driving electrodes and emission electrode 30 change, and couple mutual capacitance (i.e. the first induced electricity for being formed
Hold) will be changed with pressure；Simultaneously as pressure sensitive layer the distance between 310 and negative electrode 240 also there occurs change,
Therefore the second inductance capacitance between driving electrodes and negative electrode 240, the 3rd electric capacity between emission electrode 30 and negative electrode 240 with
Pressure changes.Negative electrode 240 is grounded, therefore can be as reference, by the induced electricity of counting statistics first, second and the 3rd
Hold change before and after pressing, the pressure suffered by the COMPREHENSIVE CALCULATING touch screen, such that it is able to further improve the touch screen
Pressure sensitive order of accuarcy.
According to embodiment of the present utility model, in the touch screen, pressure sensitive electrode 10 can be polygonal electrodes, nothing
Regular electrode block or hollow out electrode.For example, pressure sensitive electrode can be the regular polygons such as square, or have
The electrode of irregular shape.Specifically, with reference to Fig. 9 A and Fig. 9 B, pressure sensitive electrode 10 can be rhombus, it is also possible to pressure
Power induction electrode 10 carries out hollow processing.It should be noted that the pierced pattern shown in Fig. 9 B is exemplary only, it is impossible to
It is interpreted as to limitation of the present utility model.I.e. the number of the void region of hollow out electrode 10 can not be 1, the shape of void region
Shape can also be rectangle, circle, triangle etc., for example, according to implementation of the present utility model in addition to can be for square
Example, pressure sensitive electrode 10 can have the hollow out shape shown in Fig. 9 C.Those skilled in the art can also be according to touch screen
Surface for pressure touch sensitivity requirement, to pressure sensitive layer 310 surface pressure sensitive electrode pattern be designed,
Thus, it is easy to regulate and control the initial capacitance value of the pressure sensitive electrode, and advantageously forms regularly arranged array electrode, Jin Erke
To simplify preparation technology.
According to some embodiments of the present utility model, with reference to Fig. 6, in order to further improve the quick of the touch screen pressure sensitive
Sense degree and accuracy, the touch screen can further include screen layer 700 and substrate 800.Specifically, according to this reality
With new embodiment, screen layer 700 and pressure sensitive layer 310 can be respectively arranged at the upper surface of substrate 800 and under
Surface, is that pressure sensitive layer 310 provides strong electromagnetic shielding, such that it is able to improve the pressure sensitive sensitivity of the touch screen with
And order of accuarcy.
Specifically, according to embodiment of the present utility model, substrate 800 can be by PET, glass, PMMA, COP, COC, PC etc.
Optical clear material is formed, and screen layer 700 can be to need to set whole face in the one side for setting screen layer 700 in substrate 800
ITO, it is also possible to set a plurality of ITO lines in the relevant position of substrate 800, two spacing of ITO lines that are connected can be for no more than
1mm；Or, it is possible to use metal grill, development conducting film and the coat of metal are formed according to the utility model embodiment
Screen layer 700.
According to embodiment of the present utility model, in order to simplify preparation technology, it is possible to use same conductive material is in substrate
800 both side surface up and down prepares screen layer 700 and pressure sensitive layer 310.For example, the film of two-sided plating ITO can be selected
Material (i.e. Double ito films), the one side of thin-film material carry out electrode pattern make treatment as pressure sensitive layer 310, separately
Extra process is simultaneously not required to, with whole face ITO as screen layer 700.Thus, it is possible to further simplify according to the utility model
The preparation technology of the touch screen of embodiment.
According to embodiment of the present utility model, pressure sensitive layer 310 can be arranged on the side of display module 200 or setting
Inside display module 200.In other words, pressure sensitive layer 310 may be located at cover sheet 100 and display module 200 it
Between, inside the lower section of display module 200 or display module 200.Those skilled in the art can be according to actual conditions to feeling of stress
The particular location of layer 310 is answered to be selected.
Specifically, according to embodiment of the present utility model, with reference to Fig. 1, when pressure sensitive layer 310 is arranged on cover sheet
When between 100 and display module, pressure sensitive layer 310 can be closer to the touch-control site of the top of cover plate 100, so that favorably
In the sensitivity for improving pressure sensitive structure.And when pressure sensitive layer 310 is arranged between cover plate 100 and display module
When, simply can attach pressure sensitive layer 310 in the lower surface of cover plate 100 to realize, or, according to of the present utility model another
Some embodiments, pressure sensitive layer 310 can be arranged on the upper surface of top glass substrate in display module.Thus, be conducive to
Simplify the preparation technology of the touch screen.
According to embodiment of the present utility model, pressure sensitive layer 310 can also be arranged on inside display module 200.For example,
According to embodiment of the present utility model, pressure sensitive layer 310 can be arranged on the upper surface of polaroid 250 or lower surface,
Or pressure sensitive layer 310 is arranged on the lower surface of top glass substrate in display module.There is colored filter at some
In display module 200, pressure sensitive layer 310 can be arranged at the surface of colored filter.Thus, it is possible to preferable using flatness
Polaroid or colored filter, improve pressure sensitive layer 310 smooth degree, so as to be conducive to improve the touch screen pressure
Sensing sensitivity and accuracy.
According to embodiment of the present utility model, with reference to Fig. 5, in actual applications, and in the lower section of the touch screen, generally can be with
It is provided for supporting the center 400 of the touch screen.Center 400 is located at the lower section of display unit 200, can also be the phase of the touch screen
Close structure and accommodation space is provided.Pressure sensitive layer 310 can be arranged at the top of center 400.Thus, it is possible to easily by that will press
Power inductive layer 310 is attached on center 400 to complete the setting of pressure sensitive layer 310, and can improve pressure sensitive layer 310
Smooth degree, it is ensured that between pressure sensitive layer 310 and negative electrode 240 (being located inside display module) there is enough distances to have come
Into deformation, it is to avoid pressure sensitive is insensitive or sensing is failed caused by being overflowed due to electric capacity.It should be noted that such as feeling of stress
Layer 310 is answered to be arranged at center top, because structure design needs, the subregion of center 400 needs borehole, therefore now needs
Borehole region according to center 400 carries out related adjustment to pressure sensitive layer 310, to prevent the pressure sensitive capacitance at borehole
It is abnormal.In this embodiment, the touch control unit for detecting touch action is not indicated in figure, the touch control unit may be located at protection
Between cover plate 100 and display module 200, it is also possible to inside display module 200.
According to embodiment of the present utility model, with reference to Fig. 3, the touch screen can further include touch-control sensing layer 600.
According to embodiment of the present utility model, touch-control sensing layer 600 can be arranged between cover sheet 100 and display module 200,
Pressure sensitive layer 310 can be arranged on touch-control sensing 600 lower surface of layer.Thus, it is possible to realize touch-control sensing and feeling of stress
Should, the thickness of the touch screen is advantageously reduced, simplify preparation technology, reduce production cost.Specifically, according to of the present utility model
Embodiment, touch-control sensing layer can be formed with the object for applying touch operation and touch electric capacity.It should be noted that new in this practicality
In type, " applying the object of touch operation " can be the objects such as the finger or stylus of user, i.e., touch screen can be carried out
The object of operation.The object as electric capacity a pole, touch-control sensing layer 600 as electric capacity another pole, when above-mentioned applying touch
When the object of operation carries out touch-control to the touch screen, the touch-control site on touch screen can form touch electric capacity, such that it is able to
Realize the detection of position of touch.At this point it is possible to be detected by timesharing, i.e., in the touch control detection period, electric capacity is touched by detecting
Change determines position of touch；In the pressure detecting period, by detecting that pressure sensitive capacitance variations determine touch-control pressure.
It should be noted that the particular location of above-mentioned touch-control sensing layer is not particularly limited, for example, in some embodiments
In, touch-control sensing layer 600 may be located inside display module 200, and such as touch-control sensing layer 600 may be located at the polarisation of display module
Between piece 250 and top glass substrate (not indicated in figure)；Or touch-control sensing layer 600 may be located at the lower surface of display module.
I.e. touch screen can be On-cell or In-cell structures.
In another aspect of the present utility model, the utility model proposes a kind of electronic equipment.According to of the present utility model
Embodiment, with reference to Fig. 7, the electronic equipment 1000 includes touch screen 1100 and the center (figure for supporting the touch screen 1100
Not shown in).Specifically, the touch screen 1100 can include cover sheet, the organic light emitting display below cover sheet
Module and pressure sensitive layer, pressure sensitive layer may be located on center, and be coupled simultaneously with the negative electrode in organic light emitting display module
Pressure sensitive electric capacity is formed, there is compressible gap (not shown) between pressure sensitive layer and negative electrode.The electronic equipment has
Have the advantages that simple structure, with low cost and degree of integration are high.
According to embodiment of the present utility model, minus earth, pressure sensitive layer can include driving electrodes and emission electrode,
The first inductance capacitance is formed between driving electrodes and emission electrode, the second inductance capacitance is formed between driving electrodes and negative electrode, sent out
The 3rd inductance capacitance is formed between radio pole and negative electrode.When the touch screen be subject to pressed by external force touch-control when, pressure sensitive layer due to
Deform upon, the distance between driving electrodes and emission electrode change, couple mutual capacitance (i.e. the first induced electricity for being formed
Hold) will be changed with pressure；Simultaneously as the distance between pressure sensitive layer and negative electrode also there occurs change, therefore drive
The second inductance capacitance between moving electrode and negative electrode, the 3rd electric capacity between emission electrode and negative electrode change with pressure.
Minus earth, therefore can be as reference, by change of the inductance capacitance of counting statistics first, second and the 3rd before and after pressing
Change, the pressure suffered by the COMPREHENSIVE CALCULATING touch screen, such that it is able to further improve the pressure sensitive order of accuarcy of the touch screen.
According to embodiment of the present utility model, the touch screen in above-mentioned electronic equipment can also have previously described touch-control
The correlated characteristic and advantage of screen, will not be repeated here.Generally speaking, above-mentioned electronic equipment have simple structure, it is easy to assembly,
The advantages of with low cost, touch-control sensing and sensitive pressure sensitive.
In the description of this specification, the description of reference term " one embodiment ", " another embodiment " etc. means knot
Specific features, structure, material or the feature for closing embodiment description are contained at least one embodiment of the present utility model.
In this manual, the schematic representation to above-mentioned term is necessarily directed to identical embodiment or example.And, description
Specific features, structure, material or feature can in an appropriate manner combine in any one or more embodiments or example.
Additionally, in the case of not conflicting, those skilled in the art can by the different embodiments described in this specification or
The feature of example and different embodiments or example is combined and combines.
Although embodiment of the present utility model has been shown and described above, it is to be understood that above-described embodiment is
Exemplary, it is impossible to it is interpreted as to limitation of the present utility model, one of ordinary skill in the art is in scope of the present utility model
It is interior above-described embodiment to be changed, changed, replaced and modification.
Claims (10)
1. a kind of touch screen, it is characterised in that including：
Cover sheet；
Display module, the display module is arranged on the lower section of the cover sheet, and the display module is organic light emitting display
Module；
Pressure sensitive layer, the pressure sensitive layer is coupled and forms pressure sensitive with the negative electrode in the organic light emitting display module
Electric capacity, has compressible gap between the pressure sensitive layer and the negative electrode, the pressure sensitive layer is located at the display mould
In group side or the display module.
2. touch screen according to claim 1, it is characterised in that the compressible gap is by air, the organic light emission
At least one of the part of display module and elastic membrane material are constituted.
3. touch screen according to claim 1, it is characterised in that：The pressure sensitive layer is located under the display module
Surface, the compressible gap is located between pressure sensitive layer and the display module, and the compressible gap is by elasticity
Membrane material is constituted, and the elastic membrane material is foam rubber, Bio-sil or porous membrane material.
4. touch screen according to claim 1, it is characterised in that：The minus earth, the pressure sensitive layer includes driving
Moving electrode and emission electrode, form the first inductance capacitance, the driving electrodes between the driving electrodes and the emission electrode
The second inductance capacitance is formed between the negative electrode, the 3rd inductance capacitance is formed between the emission electrode and the negative electrode.
5. touch screen according to claim 1 and 2, it is characterised in that the organic light emitting display module has for active
Machine luminescence display module or passive organic light-emitting display module.
6. touch screen according to claim 1 and 2, it is characterised in that the organic light emitting display module is hard screen structure
Or soft screen structure.
7. touch screen according to claim 1 and 2, it is characterised in that further include：Touch-control sensing layer, the touch-control
Inductive layer is located between the cover sheet and the display module, and can form touch with the object for applying touch operation
Electric capacity, the pressure sensitive layer is arranged on the lower surface of the touch-control sensing layer.
8. touch screen according to claim 7, it is characterised in that in the touch control detection period, described electricity is touched by detecting
The change of appearance determines position of touch；In the pressure detecting period, by detecting that the pressure sensitive capacitance variations determine touch-control pressure.
9. a kind of electronic equipment, including touch screen and it is used to support the center of the touch screen, it is characterised in that：The touch screen
Organic light emitting display module and pressure sensitive layer including cover sheet, below the cover sheet, the pressure sensitive
Layer is located on the center, and is coupled and formed pressure sensitive electric capacity with the negative electrode in the organic light emitting display module, described
There is compressible gap between pressure sensitive layer and the negative electrode.
10. electronic equipment according to claim 9, it is characterised in that：The minus earth, the pressure sensitive layer includes
Driving electrodes and emission electrode, form the first inductance capacitance, the driving electricity between the driving electrodes and the emission electrode
The second inductance capacitance is formed between pole and the negative electrode, the 3rd inductance capacitance is formed between the emission electrode and the negative electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620686206.9U CN206209647U (en) | 2016-07-01 | 2016-07-01 | Touch screen and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620686206.9U CN206209647U (en) | 2016-07-01 | 2016-07-01 | Touch screen and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206209647U true CN206209647U (en) | 2017-05-31 |
Family
ID=58754818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620686206.9U Active CN206209647U (en) | 2016-07-01 | 2016-07-01 | Touch screen and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206209647U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107562246A (en) * | 2016-07-01 | 2018-01-09 | 南昌欧菲光科技有限公司 | Touch screen and electronic equipment |
| CN107731865A (en) * | 2016-08-12 | 2018-02-23 | 鸿富锦精密工业（深圳）有限公司 | OLED display |
| CN108829288A (en) * | 2018-06-25 | 2018-11-16 | 昆山国显光电有限公司 | A kind of display device and preparation method thereof |
| WO2018223874A1 (en) * | 2017-06-05 | 2018-12-13 | 京东方科技集团股份有限公司 | Color filter, display panel, and display device |
| CN114299889A (en) * | 2022-01-05 | 2022-04-08 | 苏州清越光电科技股份有限公司 | Touch display method of electronic paper display device |
| WO2023116776A1 (en) * | 2021-12-24 | 2023-06-29 | 维沃移动通信有限公司 | Screen module and electronic device |
-
2016
- 2016-07-01 CN CN201620686206.9U patent/CN206209647U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107562246A (en) * | 2016-07-01 | 2018-01-09 | 南昌欧菲光科技有限公司 | Touch screen and electronic equipment |
| CN107731865A (en) * | 2016-08-12 | 2018-02-23 | 鸿富锦精密工业（深圳）有限公司 | OLED display |
| WO2018223874A1 (en) * | 2017-06-05 | 2018-12-13 | 京东方科技集团股份有限公司 | Color filter, display panel, and display device |
| CN108829288A (en) * | 2018-06-25 | 2018-11-16 | 昆山国显光电有限公司 | A kind of display device and preparation method thereof |
| WO2023116776A1 (en) * | 2021-12-24 | 2023-06-29 | 维沃移动通信有限公司 | Screen module and electronic device |
| CN114299889A (en) * | 2022-01-05 | 2022-04-08 | 苏州清越光电科技股份有限公司 | Touch display method of electronic paper display device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206209647U (en) | Touch screen and electronic equipment | |
| CN206097068U (en) | Smart mobile phone | |
| CN107562246A (en) | Touch screen and electronic equipment | |
| CN104145240B (en) | Sensor device, input equipment and electronic installation | |
| KR101617140B1 (en) | In-cell amoled touch panel | |
| CN103577008A (en) | Display device with touch screen and method of driving the same | |
| CN103631463B (en) | A kind of digital capacitive touch panel | |
| CN105335004B (en) | Touch base plate, touch-control display panel and display device | |
| CN105549251A (en) | Touch type liquid crystal display device and electronic device | |
| US10139977B2 (en) | Touch display device and method of driving the same | |
| CN108446044A (en) | Touch input device | |
| CN105426008A (en) | Pressure sensing touch display screen and portable electronic product | |
| CN201166842Y (en) | Interior surface capacitance touch screen capable of multi-point touch control | |
| CN105446545A (en) | Touch display panel, driving method thereof and display device | |
| CN107562236A (en) | Touch screen and electronic equipment | |
| US20210311589A1 (en) | Touch panel | |
| CN105975128A (en) | External-mounting touch display device and electronic equipment | |
| CN205334402U (en) | Pressure sensing input device | |
| CN205193765U (en) | Array substrate , touch -control display panel | |
| CN109643184A (en) | Touch input device | |
| CN107544627A (en) | Portable electronic devices | |
| CN107728833A (en) | Display device | |
| CN206039462U (en) | Touch screen and electronic equipment | |
| CN107256106B (en) | Array substrate, liquid crystal display panel, touch display device and touch driving method | |
| CN105589557A (en) | Method of modeling haptic signal from haptic object, display apparatus, and driving method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170626 Address after: HUANGJIAHU Economic Development Zone, Jiangxi province Nanchang City Road 330013 Patentee after: Nanchang OFilm Tech. Co.,Ltd. Address before: 330013 Jiangxi city of Nanchang province Huangjiahu Changbei Economic Development Zone West o-film Technology Park Patentee before: Nanchang Ofilm Display Tech Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210421 Address after: 231323 Building 1, precision electronics industrial park, Hangbu Town, Shucheng County, Lu'an City, Anhui Province Patentee after: Anhui jingzhuo optical display technology Co.,Ltd. Address before: HUANGJIAHU Economic Development Zone, Jiangxi province Nanchang City Road 330013 Patentee before: Nanchang OFilm Tech. Co.,Ltd. |
|
| TR01 | Transfer of patent right |