CN106775122A - Touch control display apparatus - Google Patents
Touch control display apparatus Download PDFInfo
- Publication number
- CN106775122A CN106775122A CN201710032364.1A CN201710032364A CN106775122A CN 106775122 A CN106775122 A CN 106775122A CN 201710032364 A CN201710032364 A CN 201710032364A CN 106775122 A CN106775122 A CN 106775122A
- Authority
- CN
- China
- Prior art keywords
- touch
- touch control
- electrode
- display apparatus
- control display
- 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.)
- Pending
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Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/0412—Digitisers structurally integrated in a display
-
- 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
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2203/00—Indexing scheme relating to G06F3/00 - G06F3/048
- G06F2203/041—Indexing scheme relating to G06F3/041 - G06F3/045
- G06F2203/04105—Pressure sensors for measuring the pressure or force exerted on the touch surface without providing the touch position
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Push-Button Switches (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Liquid Crystal (AREA)
Abstract
A kind of touch control display apparatus, its transparent cover plate for including display panel and being covered on the display panel, the touch control display apparatus definition has viewing area and the rim area around viewing area, the touch control display apparatus are provided with touch-control sensing electrode, the touch-control sensing electrode pair should viewing area set, the touch control display apparatus are provided with least one pressure sensing element；Each pressure sensing element includes two electrode layers being stacked and the piezoelectric material layer being arranged between described two electrode layers；One layer in described two electrode layers is that same layer is set with touch-control sensing electrode.The touch control display apparatus have good touch-control sensing and pressure-sensing function；And pressure sensing element is located at the periphery of touch-control sensing electrode, rather than with the setting stacked on top of one another of touch-control sensing electrode, therefore can effectively reduce the thickness of touch control display apparatus.
Description
Technical field
The present invention relates to display device, more particularly to a kind of display device with touch-control sensing pressure functional.
Background technology
Existing touch control display apparatus are usually provided with touch control electrode to carry out touch-control sensing.The touch control display apparatus are both
The output device of image is presented, is also the input unit of the touching instruction for receiving user.As the spy of finger touch display unit
When determining region, touch location is sensed and realizes specific feature operation.However, existing touch control display apparatus are usually not
The function of dynamics size is pressed during sensing touch.
The content of the invention
In view of the foregoing, it is necessary to provide it is a kind of can sensing touch when pressing dynamics size display device.
A kind of touch control display apparatus, its transparent cover plate for including display panel and being covered on the display panel is described
Touch control display apparatus definition has viewing area and the rim area around viewing area, and the touch control display apparatus are provided with touch-control sensing electricity
Pole, the touch-control sensing electrode pair should viewing area set, the touch control display apparatus are provided with least one pressure sensing element；Often
One pressure sensing element includes two electrode layers being stacked and the piezoresistive material being arranged between described two electrode layers
The bed of material；One layer in described two electrode layers is that same layer is set with touch-control sensing electrode.
The display device has good touch-control sensing and pressure-sensing function；And pressure sensing element is located at touch-control sense
Survey electrode periphery, rather than with the setting stacked on top of one another of touch-control sensing electrode, therefore can play reduce display device thickness.
Brief description of the drawings
Fig. 1 is the schematic top plan view of the touch control display apparatus of first embodiment of the invention.
Fig. 2 is the generalized section of the touch control display apparatus of Fig. 1.
Fig. 3 is the schematic top plan view of the touch control display apparatus of second embodiment of the invention.
Fig. 4 is the generalized section of the touch control display apparatus of Fig. 3.
Main element symbol description
| Touch control display apparatus | 100,200 |
| Display panel | 10 |
| Cover plate | 30 |
| Viewing area | 110 |
| Rim area | 130 |
| Touch-control sensing electrode | 40 |
| Pressure sensing element | 50 |
| Sub-electrode block | 41 |
| First electrode layer | 51 |
| Piezoelectric material layer | 53 |
| The second electrode lay | 55 |
| Touch control circuit | 60 |
| Pressure sensing circuit | 70 |
| Cabling | 120 |
| First touch control electrode | 43 |
| Second touch control electrode | 45 |
| Optical transparent adhesive | 80 |
| Insulating barrier | 140 |
Following specific embodiment will further illustrate the present invention with reference to above-mentioned accompanying drawing.
Specific embodiment
It is the schematic diagram of the touch control display apparatus 100 of first embodiment of the invention please also refer to Fig. 1 and Fig. 2, Fig. 1,
Fig. 2 is the generalized section of the touch control display apparatus 100 of Fig. 1.
The touch control display apparatus 100 are liquid crystal display device or organic electroluminescence display device and method of manufacturing same.The touch control display apparatus
100 include display panel 10 and the cover plate 30 being covered on display panel 10.The cover plate 30 is transparent.The material of the cover plate 30
Can be transparent glass or transparent plastics.The touch control display apparatus 100 definition has viewing area 110 (in Fig. 1 inside dotted line frame)
And around the rim area 130 (in Fig. 1 outside dotted line frame) of the viewing area 110.The cover plate 30 pairs should viewing area 110 be formed with it is tactile
Touch face.When the touch control display apparatus 100 are liquid crystal display device, the display panel 10 is conventional liquid crystal display panel, its bag
Include opposite substrate, liquid crystal layer and the thin-film transistor array base-plate being stacked.When the touch control display apparatus 100 are organic electroluminescence
Luminous display unit, the display panel 10 is conventional organic EL display panel, and it includes that the film being stacked is brilliant
Body pipe array base palte and organic luminous layer.
The pressure sensing element of touch-control sensing electrode 40 and at least one is provided between the cover plate 30 and the display panel 10
50 so that the touch control display apparatus 100 have the function of touch-control sensing and pressure-sensing.40 pairs, the touch-control sensing electrode should show
Show that area 110 is set, at least one pressure sensing element 50 is arranged on the periphery of the touch-control sensing electrode 40.
In the present embodiment, the touch control display apparatus 100 have four corners, and the quantity of the pressure sensing element 50 is four
It is individual, each pressure sensing element 50 pairs should touch control display apparatus 100 a corner set.Four pressure sensing elements 50
Correspondence rim area 130 is set.It should be understood that in other implementations, pressure sensing element 50 also can be to that should show
Area 110 is set.
In the present embodiment, the touch-control sensing electrode 40 is individual layer and transparent, and it includes the multiple sub-electrodes being intervally arranged
Block 41.The material of the plurality of sub-electrode block 41 can be various transparent conductive materials commonly used in the art, such as tin indium oxide
(ITO)。
Each pressure sensing element 50 includes the first electrode layer 51, piezoelectric material layer 53 and the second electrode that are stacked
Layer 55, the wherein first electrode layer 51 are relative closer to the cover plate 30.The material of the piezoelectric material layer 53 can be polymer piezo
Material, such as Kynoar (PVDF).The thickness of the piezoelectric material layer 53 is less than or equal to 20 microns.The first electrode layer 51 and institute
It is that same layer is set to state multiple sub-electrode blocks 41, i.e., the first electrode layer 51 uses same conduction material with the multiple sub-electrode block 41
The bed of material is formed simultaneously through same patterning process.
The rim area 130 of the touch control display apparatus 100 is provided with touch control circuit 60.The touch-control sensing electrode 40 leads to
Cross a plurality of cabling 120 and be electrically connected with the touch control circuit 60.Concretely each sub-electrode block 41 passes through a cabling 120
The touch control circuit 60 is electrically connected with, or two or more adjacent sub-electrode blocks 41 pass through a cabling 120
It is electrically connected with the touch control circuit 60.Deserve finger when touching the touch surface of the cover plate 30, the corresponding sub-electrode in the touch place
The electric signal of block 41 changes, and the change of the electric signal is transferred to touch control circuit 60 by cabling 120, so that touching
Position is detected.
The rim area 130 of the touch control display apparatus 100 is additionally provided with pressure sensing circuit 70.Described each feeling of stress
Survey element 50 and the pressure sensing circuit 70 is electrically connected with by cabling 120.Concretely first electrode layer 51 and the second electrode lay
55 are electrically connected with the pressure sensing circuit 70 by a cabling 120 respectively.Deserve finger when pressing the touch surface of the cover plate 30,
The piezoelectric material layer 53 of pressure sensing element 50 affords the decomposing force of finger touch pressure, makes the electricity of first electrode layer 51 and second
Electrical potential difference between pole layer 55 changes, and the change of the electrical potential difference is transferred to pressure sensing circuit 70 by cabling 120, changes
Calculation obtains the pressure suffered by each pressure sensing element 50, then the conversion pressure of comprehensive four pressure sensing elements 50 is obtained
Actual touch pressure suffered by touch place.The specific method of the conversion can be the conventional conversion method in this area, herein not
Repeat again.
As shown in Fig. 2 the touch-control sensing electrode 40 is formed directly into the cover plate 30 near the surface of the display panel 10,
First electrode layer 51 is also formed directly into cover plate 30 towards the surface of the display panel 10.It should be understood that the cover plate 30 with should
Optical transparent adhesive 80 is also formed between display panel 10 and is bonded in one with by the cover plate 30 and the display panel 10.The touch-control
Sensing electrode 40 and pressure sensing element 50 are wrapped up by the Optical transparent adhesive 80.
It should be understood that the quantity of the pressure sensing element 50 can be adjusted to as needed one, two, three or
More than four.
It is the schematic diagram of the touch control display apparatus 200 of second embodiment of the invention please also refer to Fig. 3 and Fig. 4, Fig. 3,
Fig. 4 is the generalized section of the touch control display apparatus 200 of Fig. 3.
The touch control display apparatus 200 are liquid crystal touch control display device or organic electroluminescent touch control display apparatus.The touch-control
Display device 200 includes display panel 10 and the cover plate 30 being covered on display panel 10.The cover plate 30 is transparent.The cover plate
30 material can be transparent glass or transparent plastics.The touch control display apparatus 200 definition has viewing area 110 and shows around this
Show the rim area 130 in area 110.The cover plate 30 pairs should viewing area 110 be formed with a touch surface.When the touch control display apparatus 200
It is liquid crystal display device, the display panel 10 is conventional liquid crystal display panel, and it includes being stacked opposite substrate, liquid crystal layer
And thin-film transistor array base-plate.When the touch control display apparatus 200 are organic electroluminescence display device and method of manufacturing same, the display panel 10 is
Conventional organic EL display panel, it includes the thin-film transistor array base-plate being stacked and organic luminous layer.
The pressure sensing element of touch-control sensing electrode 40 and at least one is provided between the cover plate 30 and the display panel 10
50 so that the touch control display apparatus 100 have the function of touch-control sensing and pressure-sensing.40 pairs, the touch-control sensing electrode should show
Show that area 110 is set, at least one pressure sensing element 50 is arranged on the periphery of the touch-control sensing electrode 40.
In the present embodiment, the touch control display apparatus 100 have four corners, and the quantity of the pressure sensing element 50 is four
Individual, each pressure sensing element 50 is set adjacent to a corner of the touch control display apparatus 100.Four pressure sensing elements 50
Correspondence rim area 130 is set.
In the present embodiment, the touch-control sensing electrode 40 is double-deck and transparent, and it includes multiple Hes of first touch control electrode 43
Multiple second touch control electrodes 45.The multiple first touch control electrode 43 is laminated in the top of the multiple second touch control electrode 45, and
The plurality of first touch control electrode 43 is closer to the cover plate 30.
The multiple interval setting of first touch control electrode 43, each first touch control electrode 43 is in strip and along first party
To extension.The interval setting of the multiple second touch control electrode 45, each second touch control electrode 45 is in strip and along second party
To extension.The first direction is different directions from second direction.In the present embodiment, the vertical second direction of first direction.It is described
Multiple first touch control electrodes 43 and the mutually insulated of the multiple second touch control electrode 45, as shown in figure 4, the multiple first touch-control
An insulating barrier 140 is provided between electrode 43 and the multiple second touch control electrode 45.
The material of the multiple first touch control electrode 43 and the multiple second touch control electrode 45 can routinely make for this area
Various transparent conductive materials, such as tin indium oxide (ITO).
Each pressure sensing element 50 includes the first electrode layer 51, piezoelectric material layer 53 and the second electrode that are stacked
Layer 55, the wherein first electrode layer 51 are relative closer to the cover plate 30.The material of the piezoelectric material layer 53 can be polymer piezo
Material, such as Kynoar (PVDF).The thickness of the piezoelectric material layer 53 is less than or equal to 20 microns.In the present embodiment, this first
Electrode layer 51 is that same layer is set with the multiple second touch control electrode 45, i.e. the first electrode layer 51 and the multiple second touch-control
Electrode 45 is formed simultaneously using same conductive material layer through same patterning process.
It should be understood that in others change embodiment, may be alternatively provided as first electrode layer 51 or the second electrode lay 55
Set with layer with the multiple first touch control electrode 43, i.e., first electrode layer 51 or the second electrode lay 55 are touched with the multiple first
Control electrode 43 is formed simultaneously using same conductive material layer through same patterning process.
The rim area 130 of the touch control display apparatus 200 is provided with touch control circuit 60.The touch-control sensing electrode 40 leads to
Cross a plurality of cabling 120 and be electrically connected with the touch control circuit 60.Concretely each first touch control electrode 43 and each second touch
Control electrode 45 is electrically connected with the touch control circuit 60 by cabling 120 respectively, or two or more are adjacent
Sub-electrode block 41 touch control circuit 60 is electrically connected with by a cabling.Deserve the touch surface that finger touches the cover plate 30
When, the electric signal of corresponding first touch control electrode 43 in the touch place or second touch control electrode 45 changes, and the electric signal changes
Change is transferred to touch control circuit 60 by cabling 120, so that touch location is detected.
The rim area 130 of the touch control display apparatus 200 is additionally provided with pressure sensing circuit 70.Described each feeling of stress
Survey element 50 and the pressure sensing circuit 70 is electrically connected with by a cabling 120.Concretely first electrode layer 51 and second electrode
Layer 55 is electrically connected with the pressure sensing circuit 70 by a cabling 120 respectively.Deserve the touch surface that finger presses the cover plate 30
When, the piezoelectric material layer 53 of pressure sensing element 50 affords the decomposing force of finger touch pressure, makes first electrode layer 51 and
Electrical potential difference between two electrode layers 55 changes, and the change of the electrical potential difference is transferred to pressure sensing circuit by cabling 120
70, conversion obtains the pressure suffered by each pressure sensing element 50, then the pressure of comprehensive four pressure sensing elements 50 is changed
Calculation obtains the actual touch pressure suffered by touch place.The specific method of the conversion can be the conventional conversion method in this area,
Here is omitted.
It should be understood that be also formed between the cover plate 30 and the display panel 10 Optical transparent adhesive 80 with the cover plate 30 with
The display panel 10 is bonded in one.The touch-control sensing electrode 40 and pressure sensing element 50 are wrapped by the Optical transparent adhesive 80
Wrap up in.
It should be understood that the quantity of the pressure sensing element 50 can be adjusted to as needed one, two, three or
More than four.
The touch control display apparatus 100 of first embodiment and the touch control display apparatus 200 of second embodiment are external hanging type and touch
Control display device, i.e. touch-control sensing electrode 40 are formed in the outside of display panel 10；It should be understood that touch-control of the invention shows
Device is not limited to external hanging type touch control display apparatus, or embedded touch display device, i.e. touch-control sensing electrode 40 is formed
In the inside of display panel 10.Embodiment of above is merely illustrative of the technical solution of the present invention and unrestricted, although with reference to compared with
Good implementation method has been described in detail to the present invention, it will be understood by those within the art that, can be to of the invention
Technical scheme is modified or equivalent, without deviating from the spirit and scope of technical solution of the present invention.
Claims (10)
1. a kind of touch control display apparatus, its transparent cover plate for including display panel and being covered on the display panel is described to touch
Control display device definition has viewing area and the rim area around viewing area, and the touch control display apparatus are provided with touch-control sensing electrode,
The touch-control sensing electrode pair should viewing area set, it is characterised in that：The touch control display apparatus are provided with least one feeling of stress
Survey element；Each pressure sensing element includes two electrode layers being stacked and is arranged between described two electrode layers
One piezoelectric material layer；One layer in described two electrode layers is that same layer is set with touch-control sensing electrode.
2. touch control display apparatus as claimed in claim 1, it is characterised in that：Each pressure sensing element is positioned adjacent to this
One corner of touch control display apparatus.
3. touch control display apparatus as claimed in claim 1, it is characterised in that：The touch-control sensing electrode and at least one pressure
Sensing element is arranged between the display panel and cover plate.
4. touch control display apparatus as claimed in claim 3, it is characterised in that：The touch-control sensing electrode is individual layer and transparent,
It includes the multiple sub-electrodes being intervally arranged；One layer in described two electrode layers is that same layer is set with the multiple sub-electrode.
5. touch control display apparatus as claimed in claim 3, it is characterised in that：The touch-control sensing electrode includes mutually insulated and layer
Folded the first touch control electrode and second touch control electrode for setting, first touch control electrode is relative closer to cover plate.
6. touch control display apparatus as claimed in claim 5, it is characterised in that：One layer in described two electrode layers with this second
Touch control electrode is that same layer is set.
7. touch control display apparatus as claimed in claim 5, it is characterised in that：One layer in described two electrode layers with this first
Touch control electrode is that same layer is set.
8. touch control display apparatus as claimed in claim 1, it is characterised in that：The touch control display apparatus have four corners, often
One corner is provided with a pressure sensing element.
9. display device as claimed in claim 1, it is characterised in that：The material of the piezoelectric material layer is piezopolymer.
10. touch control display apparatus as claimed in claim 1, it is characterised in that：At least one pressure sensing element correspondence
Rim area is set.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710032364.1A CN106775122A (en) | 2017-01-16 | 2017-01-16 | Touch control display apparatus |
| TW106104002A TWI637299B (en) | 2017-01-16 | 2017-02-08 | Touch display device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710032364.1A CN106775122A (en) | 2017-01-16 | 2017-01-16 | Touch control display apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106775122A true CN106775122A (en) | 2017-05-31 |
Family
ID=58947077
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710032364.1A Pending CN106775122A (en) | 2017-01-16 | 2017-01-16 | Touch control display apparatus |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106775122A (en) |
| TW (1) | TWI637299B (en) |
Cited By (4)
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| CN107247530A (en) * | 2017-07-04 | 2017-10-13 | 京东方科技集团股份有限公司 | A kind of touch-control structure, touch control display apparatus |
| CN107632439A (en) * | 2017-07-26 | 2018-01-26 | 友达光电股份有限公司 | Display panel |
| WO2019196797A1 (en) * | 2018-04-11 | 2019-10-17 | 京东方科技集团股份有限公司 | Force touch device, force touch feedback method, and touch display device |
| CN111857392A (en) * | 2019-04-26 | 2020-10-30 | 富泰华工业（深圳）有限公司 | Touch sensing module and electronic device using same |
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| WO2019196797A1 (en) * | 2018-04-11 | 2019-10-17 | 京东方科技集团股份有限公司 | Force touch device, force touch feedback method, and touch display device |
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| CN111857392A (en) * | 2019-04-26 | 2020-10-30 | 富泰华工业（深圳）有限公司 | Touch sensing module and electronic device using same |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201828000A (en) | 2018-08-01 |
| TWI637299B (en) | 2018-10-01 |
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Effective date of registration: 20180815 Address after: 610041 689 cooperation Road, hi-tech West District, Chengdu, Sichuan Applicant after: Cheng Cheng Technology (Chengdu) Co., Ltd. Applicant after: Interface Optoelectronic (Shenzhen) Co., Ltd. Address before: 518057 Room 201, building A, 1 Bay Road, Shenzhen Hong Kong cooperation zone, Qianhai, Shenzhen, Guangdong, Nanshan District Applicant before: MIICS BUSINESS CONSULTING (SHENZHEN) CO., LTD. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |