CN106354342B - Touch sensing device - Google Patents
Touch sensing device Download PDFInfo
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- CN106354342B CN106354342B CN201611071798.4A CN201611071798A CN106354342B CN 106354342 B CN106354342 B CN 106354342B CN 201611071798 A CN201611071798 A CN 201611071798A CN 106354342 B CN106354342 B CN 106354342B
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- strain gauge
- strain
- sensitive grid
- sensitive
- grid
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- 239000000758 substrate Substances 0.000 abstract description 2
- 239000000463 material Substances 0.000 description 13
- 238000010586 diagram Methods 0.000 description 10
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 6
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 3
- 229910052697 platinum Inorganic materials 0.000 description 3
- 229910052709 silver Inorganic materials 0.000 description 3
- 239000004332 silver Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- MRNHPUHPBOKKQT-UHFFFAOYSA-N indium;tin;hydrate Chemical compound O.[In].[Sn] MRNHPUHPBOKKQT-UHFFFAOYSA-N 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000010936 titanium Substances 0.000 description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 239000004411 aluminium Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- ALKZAGKDWUSJED-UHFFFAOYSA-N dinuclear copper ion Chemical compound [Cu].[Cu] ALKZAGKDWUSJED-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
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)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Position Input By Displaying (AREA)
Abstract
A touch sensing device, comprising: touch-control base plate and a plurality of first strainometer. Each first strain gauge is substantially extended along a first direction and arranged in the touch substrate, each first strain gauge comprises a plurality of sensitive grids which are connected in series, the strain sensing direction of the sensitive grid in each first strain gauge is substantially parallel to the first direction, and the resistance values of the head and tail sensitive grids in each first strain gauge are smaller than the resistance values of the rest sensitive grids in the first strain gauge.
Description
Technical field
The present invention relates in a kind of touch panel technology, the design of the structure of induction electrode, especially a kind of touch-control sensing
Device.
Background technique
Current touch panels most of on the market only have a position of touch detection, and vdiverse in function with electronic product
Change, more and more usage scenarios need to detect the stress size at touch point, to complete more product functions, improve and use
The Experience Degree of person.Since existing touch panel does not have pressure detecting function mostly, and existing touch panel structure provided
On the basis of increase pressure detecting function need in addition to add at least one layer of pressure detecting layer, this will keep the thickness of touch panel bright
It is aobvious to increase, and material cost can also improve, and therefore, be unfavorable for the popularization with the touch panel of pressure-sensing function.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of touch sensing devices, to improve above-mentioned shortcoming.
To achieve the goals above, the present invention provides a kind of touch sensing devices, comprising: touch base plate and multiple first
Strain gauge.Every one first strain gauge substantially extends in a first direction configuration in touch base plate, and every one first strain gauge includes
There are multiple sensitive grids of concatenation, and the straining and sensing direction of the sensitive grid in every one first strain gauge is all substantially parallel to first
Direction, wherein the resistance value of two head, tail sensitive grids in every one first strain gauge be smaller than in the first strain gauge remaining is each
The resistance value of sensitive grid.
In order to which above-mentioned purpose is better achieved, the present invention also provides a kind of touch sensing devices, comprising: touch base plate and
Multiple first strain gauges.Every one first strain gauge substantially extends in a first direction configuration in touch base plate, and every 1 first answers
Become multiple sensitive grids that meter includes concatenation, and the straining and sensing direction of the sensitive grid in every one first strain gauge is all substantially flat
Row is in first direction, wherein the coefficient of strain of two head, tail sensitive grids in every one first strain gauge is smaller than the first strain gauge
In remaining each sensitive grid the coefficient of strain.
The technical effects of the invention are that:
Touch sensing device of the invention is utilized the resistance value and/or strain of two sensitive grids of head, tail in strain gauge
Factor design be less than remaining sensitive grid in strain gauge, it is quick with remaining to balance the strain of sensitive grid at the both ends of strain gauge
Feel the not identical caused influence of strain of grid, thus when power is applied to touch base plate, each sensitive grid in touch base plate
The △ R variable quantity sensed close to identical, sensitive grid each whereby can correctly react the power being applied on touch base plate and
Sense △ R variable quantity.
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail, but not as a limitation of the invention.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the touch sensing device of first embodiment of the invention；
Fig. 2 is the upper view structural schematic diagram of the touch sensing device of first embodiment of the invention；
Fig. 3 be first embodiment of the invention the first strain gauge each sensitive grid by identical pressed by external force when simulate it is each quick
Feel the schematic diagram of the strain of grid；
Fig. 4 is the upper view structural schematic diagram of the touch sensing device of second embodiment of the invention；
Fig. 5 is that the first strain gauge of second embodiment of the invention and each sensitive grid of the second strain gauge are pressed by identical external force
The schematic diagram of the strain of each sensitive grid is simulated when pressure.
Wherein, appended drawing reference
100,200: touch sensing device
10: touch base plate
11,12,13,14: boundary
20: the first strain gauges
30: the second strain gauges
21,21A, 21B, 31,31A, 31B: sensitive grid
40,50: block
X: first direction
Y: second direction
ε x, ε y: strain
Specific embodiment
Structural principle and working principle of the invention are described in detail with reference to the accompanying drawing:
Fig. 1 is the structural schematic diagram of the touch sensing device 100 of first embodiment of the invention, to illustrate touch base plate 10
And the configuration of multiple first strain gauges 20.Fig. 2 is schematically shown as the upper view structural schematic diagram of touch sensing device 100.It please merge reference
Fig. 1 and Fig. 2, touch sensing device 100 include: touch base plate 10 and multiple first strain gauges 20, and every one first strain gauge 20 is flat
For row in first direction X configuration in touch base plate 10, every one first strain gauge 20 includes multiple sensitive grids 21 of concatenation.Specifically
It, the head of every one first strain gauge 20, tail both ends are respectively provided with sensitive grid 21A, also concatenate between two sensitive grid 21A multiple quick
Feel grid 21B, the sensitive grid 21A positioned at both ends is respectively adjacent in the boundary of touch base plate 10 11 and boundary 12, boundary 11 and boundary
12 are located at the opposite sides of touch base plate 10.When being bent, the first strain gauge 20 on touch base plate 10 will in response to by
Induction is generated to active force.
Fig. 3 is shown when each sensitive grid 21 of the first strain gauge 20 of touch sensing device 100 is bent by identical external force
When, simulate the schematic diagram of the strain of each sensitive grid 21.It please merge reference Fig. 2 and Fig. 3, the sensitive grid in every one first strain gauge 20
21 straining and sensing direction is all substantially parallel to first direction X.Strain gauge (strain gauge) based on resistance calculates public
Formula: △ R=R × ε × GF, wherein △ R is the resistance change amount of material, and R is the initial resistivity value of material, and GF is material
The coefficient of strain (gauge factor), ε are the strain at measuring point.When every one first strain gauge 20 is configured on touch base plate 10
When, since boundary 11 and boundary 12 can make to be located at boundary 11 and boundary 12 to produced by sensitive grid 21A to the active force that positions
On sensitive grid 21A be greater than remaining sensitive grid 21B response external pressing power in the strain stress x of response external pressing power
Strain stress x, so that the difference of the strain stress x with the strain stress x and remaining sensitive grid 21B of the sensitive grid 21A at both ends, and make
The △ R variable quantity sensed at the sensitive grid 21A and remaining sensitive grid 21B at both ends in touch base plate 10 is not identical, it is specific and
It says, the △ R variable quantity that the sensitive grid 21A at both ends is sensed in touch base plate 10 will be greater than remaining sensitive grid 21B and be sensed
△ R variable quantity.
Therefore, in the first embodiment of the invention, using by two head, tail sensitive grids in every one first strain gauge 20
The resistance value for remaining each sensitive grid 21B that the resistance value of 21A is smaller than in the first strain gauge 20, alternatively, being answered using by every 1 first
Remaining each sensitive grid 21B that the coefficient of strain of two head, tail sensitive grid 21A becoming in meter 20 is smaller than in the first strain gauge 20
The coefficient of strain, it will be able to the strain stress x for balancing the sensitive grid 21A at the both ends of different first strain gauge 20 is quick with remaining
Feel influence caused by the strain stress x of grid 21B, and keeps the △ R variable quantity that each sensitive grid 21 is sensed in touch base plate 10 close
It is identical.
Wherein, sensitive grid 21A and sensitive grid 21B can be metal sensitive grid or nonmetallic sensitive grid.In addition, at remaining
In embodiment, as long as each sensitive grid 21 in touch base plate 10 can be made to meet calculation formula: being felt after △ R=R × ε × GF
The △ R variable quantity of survey is close under the same conditions, and the resistance value of each sensitive grid 21A and the coefficient of strain can be identical in touch base plate 10
Or it is different, and the resistance value of each sensitive grid 21B and the coefficient of strain may be the same or different in touch base plate 10.That is, this
The embodiment is invented for for example, being not intended to limit the component attributes such as material or the resistance matter of each sensitive grid 21.
For example, each sensitive grid includes an at least coiling, since the more then resistance value is bigger for pitch of the laps number, thus can be via
Make the head in every one first strain gauge 20, the pitch of the laps number of two sensitive grid 21A of tail is smaller than in the first strain gauge 20, and remaining is every
The pitch of the laps number of one sensitive grid 21B, so that the resistance value for making the resistance value of sensitive grid 21A be less than remaining each sensitive grid 21B.Alternatively,
Since the bigger then resistance value of the sectional area of coiling is smaller, thus can by make in every one first strain gauge 20 head, two sensitivities of tail
The sectional area of the coiling of grid 21A is all greater than the sectional area of the coiling of remaining each sensitive grid 21B in the first strain gauge 20, so that
In make sensitive grid 21A resistance value be less than remaining each sensitive grid 21B resistance value.Or make in every one first strain gauge 20
The material for remaining each sensitive grid 21B that the impedance value of the material of two head, tail sensitive grid 21A is smaller than in the first strain gauge 20
Impedance value so that make sensitive grid 21A resistance value be less than remaining each sensitive grid 21B resistance value.
Furthermore can be smaller than via the coefficient of strain of two head, tail sensitive grid 21A making in every one first strain gauge 20
The coefficient of strain of remaining each sensitive grid 21B in one strain gauge 20.For example, the sensitive grid 21B in the first strain gauge 20
Material concretely adulterate the tin indium oxide (ITO) of different metal concentration.In detail, when the concentration of silver is close to zero, ITO
The coefficient of strain be about " -1.5 " to " -3.8 ".But if the concentration of silver is promoted to the coefficient of strain of 10, ITO
It is about close to as " 4 ".Also, being close to " 7 " if the coefficient of strain that the concentration of silver promotes percent 20, ITO can reach.
It in some embodiments, can be via different materials be used, to cause the strain system of two head, tail sensitive grid 21A
Number is smaller than the coefficient of strain of remaining each sensitive grid 21B.Such as: in the identical situation of external condition, copper (Copper)
The coefficient of strain is 2.6, and the coefficient of strain of platinum/platinum (Platinum) is 6.1, and semiconductor material is then according to its strain of various concentration
Coefficient is even up to 100.Based on aforementioned, each sensitive grid 21 meets calculation formula in it can make touch base plate 10: △ R=R
Close under the same conditions, those skilled in the art should can be by consulting various elements for the △ R variable quantity that is sensed after × ε × GF
Attribute form the sensitive grid 21 in touch base plate 10.
In some embodiments, the material concretely titanium of two head in the first strain gauge 20, tail sensitive grid 21A
, (Ti) or the material of sensitive grid 21A concretely aluminium (Al) and remaining each sensitive grid 21B in the first strain gauge 20
Material concretely copper (Copper).However, invention is not limited thereto, those skilled in the art should know that aforementioned adjustment is sensitive
The resistance value of grid and/or the purpose of the coefficient of strain are strain and remaining sensitive grid of the sensitive grid to balance the both ends of strain gauge
Strain not identical caused influence.
Fig. 4 is the upper view structural schematic diagram of the touch sensing device 200 of second embodiment of the invention.Referring to figure 4., second
The touch sensing device 200 of embodiment and the touch sensing device 100 of first embodiment the difference is that, touch sensing device
200 further include: multiple second strain gauges 30, every one second strain gauge 30 are parallel to second direction Y configuration in touch base plate 10,
Every one second strain gauge 30 includes multiple sensitive grids 31 of concatenation.In detail, the head of every one second strain gauge 30, tail both ends point
Not Ju You sensitive grid 31A, also concatenate multiple sensitive grid 31B between two sensitive grid 31A, the first strain gauge 30 is to be located at both ends
Sensitive grid 31A be individually secured to touch base plate 10 boundary 13 and boundary 14 and configure in touch base plate 10 so that touching
The effect that the boundary 13 and boundary 14 for controlling substrate 10 keep the first strain gauge 30 fixed respectively for the sensitive grid 31A generation at both ends
Power.
Fig. 5 is that the first strain gauge of second embodiment of the invention and each sensitive grid of the second strain gauge are pressed by identical external force
The schematic diagram of the strain of each sensitive grid is simulated when pressure.It please merge referring to Fig. 4 and Fig. 5, when the first strain of touch sensing device 200
When the sensitive grid 21 and sensitive grid 31 of meter 20 and the second strain gauge 30 are by identical pressed by external force, the sensitive grid 21A's of block 50 is answered
Become the strain stress x that ε x is greater than remaining sensitive grid 21B, and the strain stress y of the sensitive grid 31A of block 40 is greater than remaining sensitive grid
The strain stress y of 31B, so that with rest part in strain stress x/ ε y of the position in block 40 and block 50 and touch base plate 10
Strain stress x/ ε y it is not identical, and cause in touch base plate 10 block 40 and block 50 in response same external pressing power when institute
The △ R variable quantity that △ R variable quantity and the rest part of sensing are sensed is not identical.
Here, due to being smaller than second using by the resistance value of two head, tail sensitive grid 31A in every one second strain gauge 30
The resistance value of remaining each sensitive grid 31B in strain gauge 30, or using by every one second strain gauge 30 head, two, tail it is quick
The coefficient of strain for remaining each sensitive grid 31B that the coefficient of strain of sense grid 31A is smaller than in the second strain gauge 30, and make touch-control base
The △ R variable quantity that each sensitive grid 31 is sensed in plate 10 is identical as aforementioned first strain gauge 20 close to identical mode, herein
It does not repeat.
Touch sensing device of the invention is utilized the resistance value and/or strain of two sensitive grids of head, tail in strain gauge
Factor design be less than remaining sensitive grid in strain gauge, it is quick with remaining to balance the strain of sensitive grid at the both ends of strain gauge
Feel the not identical caused influence of strain of grid, thus when power is applied to touch base plate, each sensitive grid in touch base plate
The △ R variable quantity sensed close to identical, sensitive grid each whereby can correctly react the power being applied on touch base plate and
Sense △ R variable quantity.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding changes and modifications, but these corresponding changes and change in accordance with the present invention
Shape all should fall within the scope of protection of the appended claims of the present invention.
Claims (10)
1. a kind of touch sensing device characterized by comprising
One touch base plate；
Multiple first strain gauges, every one first strain gauge extend configuration in the touch base plate along a first direction, and multiple
First strain gauge is parallel to each other, and every one first strain gauge includes multiple sensitive grids of concatenation, and in every one first strain gauge
The straining and sensing direction of multiple sensitive grid is all parallel to the first direction,
Wherein the head in every one first strain gauge, two sensitive grids of tail resistance value be smaller than in first strain gauge remaining is each
The resistance value of sensitive grid.
2. touch sensing device as described in claim 1, which is characterized in that each sensitive grid includes an at least coil, and every 1 the
The coil number of two head, tail sensitive grids in one strain gauge is smaller than the coil of remaining each sensitive grid in first strain gauge
Number.
3. touch sensing device as described in claim 1, which is characterized in that each sensitive grid includes an at least coil, and every 1 the
The sectional area of the coil of two head, tail sensitive grids in one strain gauge is all greater than remaining each sensitive grid in first strain gauge
Coil sectional area.
4. touch sensing device as described in claim 1, which is characterized in that head in every one first strain gauge, two, tail it is quick
The coefficient of strain of sense grid is smaller than the coefficient of strain of remaining each sensitive grid in first strain gauge.
5. touch sensing device as described in claim 1, which is characterized in that further include having:
Multiple second strain gauges, every one second strain gauge extend configuration in the touch base plate along a second direction, and multiple
Second strain gauge is parallel to each other, and every one second strain gauge includes multiple sensitive grids of concatenation, and in every one second strain gauge
The straining and sensing direction of multiple sensitive grid is all parallel to the second direction,
Wherein the head in every one second strain gauge, two sensitive grids of tail resistance value be smaller than in second strain gauge remaining is each
The resistance value of sensitive grid.
6. touch sensing device as claimed in claim 5, which is characterized in that head in every one second strain gauge, two, tail it is quick
The coefficient of strain of sense grid is smaller than the coefficient of strain of remaining each sensitive grid in second strain gauge.
7. touch sensing device as described in claim 1, which is characterized in that further include having:
Multiple second strain gauges, every one second strain gauge extend configuration in the touch base plate along a second direction, and multiple
Second strain gauge is parallel to each other, and every one second strain gauge includes multiple sensitive grids of concatenation, and in every one second strain gauge
The straining and sensing direction of multiple sensitive grid is all parallel to the second direction,
Wherein the head in every one second strain gauge, two sensitive grids of tail the coefficient of strain be smaller than remaining in second strain gauge
The coefficient of strain of each sensitive grid.
8. touch sensing device as described in claim 5 or 7, which is characterized in that each sensitive grid in every one second strain gauge
Including an at least coil, and the coil number of two head, tail sensitive grids is smaller than remaining each sensitive grid in second strain gauge
Coil number.
9. touch sensing device as described in claim 5 or 7, which is characterized in that each sensitive grid in every one second strain gauge
Including an at least coil, and remaining that the sectional area of the coil of two head, tail sensitive grids is all greater than in second strain gauge is each
The sectional area of the coil of sensitive grid.
10. a kind of touch sensing device characterized by comprising
One touch base plate；
Multiple first strain gauges, every one first strain gauge extend configuration in the touch base plate along a first direction, and multiple
First strain gauge is parallel to each other, and every one first strain gauge includes multiple sensitive grids of concatenation, and in every one first strain gauge
The straining and sensing direction of multiple sensitive grid is all parallel to the first direction,
Wherein the head in every one first strain gauge, two sensitive grids of tail the coefficient of strain be smaller than remaining in first strain gauge
The coefficient of strain of each sensitive grid.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW105135502 | 2016-11-02 | ||
| TW105135502A TWI585654B (en) | 2016-11-02 | 2016-11-02 | Touch sensing apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106354342A CN106354342A (en) | 2017-01-25 |
| CN106354342B true CN106354342B (en) | 2019-03-22 |
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ID=57863089
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611071798.4A Active CN106354342B (en) | 2016-11-02 | 2016-11-29 | Touch sensing device |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN106354342B (en) |
| TW (1) | TWI585654B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107340915B (en) * | 2017-06-30 | 2020-07-07 | 武汉天马微电子有限公司 | Display substrate, display panel and display device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2631746A1 (en) * | 2012-02-24 | 2013-08-28 | Research In Motion Limited | Portable electronic device including touch-sensitive display and method of controlling same |
| CN103576960A (en) * | 2012-08-02 | 2014-02-12 | 深圳纽迪瑞科技开发有限公司 | Touch screen pressure and position sensing method, touch screen pressure and position sensing element, and electronic touch device |
| CN105607773A (en) * | 2015-12-24 | 2016-05-25 | 上海天马微电子有限公司 | Touch screen |
| TWM526720U (en) * | 2015-07-10 | 2016-08-01 | 宸鴻科技（廈門）有限公司 | Pressure-sensitive input equipment |
| TWM528473U (en) * | 2015-07-10 | 2016-09-11 | 宸鴻科技（廈門）有限公司 | Pressure-sensitive input equipment |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM525491U (en) * | 2015-07-10 | 2016-07-11 | 宸鴻科技（廈門）有限公司 | Pressure sensing pattern layer and pressure sensing input device including the same |
| CN204833206U (en) * | 2015-07-20 | 2015-12-02 | 南昌欧菲光科技有限公司 | Pressure touch -control unit and touch -sensitive display device |
-
2016
- 2016-11-02 TW TW105135502A patent/TWI585654B/en active
- 2016-11-29 CN CN201611071798.4A patent/CN106354342B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2631746A1 (en) * | 2012-02-24 | 2013-08-28 | Research In Motion Limited | Portable electronic device including touch-sensitive display and method of controlling same |
| CN103576960A (en) * | 2012-08-02 | 2014-02-12 | 深圳纽迪瑞科技开发有限公司 | Touch screen pressure and position sensing method, touch screen pressure and position sensing element, and electronic touch device |
| TWM526720U (en) * | 2015-07-10 | 2016-08-01 | 宸鴻科技（廈門）有限公司 | Pressure-sensitive input equipment |
| TWM528473U (en) * | 2015-07-10 | 2016-09-11 | 宸鴻科技（廈門）有限公司 | Pressure-sensitive input equipment |
| CN105607773A (en) * | 2015-12-24 | 2016-05-25 | 上海天马微电子有限公司 | Touch screen |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI585654B (en) | 2017-06-01 |
| CN106354342A (en) | 2017-01-25 |
| TW201818204A (en) | 2018-05-16 |
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