WO2014196365A1 - 圧力検出表示装置および電子機器 - Google Patents
圧力検出表示装置および電子機器 Download PDFInfo
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- WO2014196365A1 WO2014196365A1 PCT/JP2014/063508 JP2014063508W WO2014196365A1 WO 2014196365 A1 WO2014196365 A1 WO 2014196365A1 JP 2014063508 W JP2014063508 W JP 2014063508W WO 2014196365 A1 WO2014196365 A1 WO 2014196365A1
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- Prior art keywords
- display device
- piezoelectric
- piezoelectric layer
- pressure detection
- polarizing plate
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- 238000010521 absorption reaction Methods 0.000 claims abstract description 11
- 238000001514 detection method Methods 0.000 claims description 26
- 239000000463 material Substances 0.000 claims description 12
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 claims description 5
- 229920000747 poly(lactic acid) Polymers 0.000 claims description 4
- 239000004626 polylactic acid Substances 0.000 claims description 4
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 239000004973 liquid crystal related substance Substances 0.000 description 6
- 239000004020 conductor Substances 0.000 description 5
- 229920001577 copolymer Polymers 0.000 description 4
- 229920001609 Poly(3,4-ethylenedioxythiophene) Polymers 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000002861 polymer material Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000002041 carbon nanotube Substances 0.000 description 1
- 229910021393 carbon nanotube Inorganic materials 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002121 nanofiber Substances 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- BNEMLSQAJOPTGK-UHFFFAOYSA-N zinc;dioxido(oxo)tin Chemical compound [Zn+2].[O-][Sn]([O-])=O BNEMLSQAJOPTGK-UHFFFAOYSA-N 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/08—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of piezoelectric devices, i.e. electric circuits therefor
-
- 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
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/13338—Input devices, e.g. touch panels
-
- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
- G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
- G02F1/1333—Constructional arrangements; Manufacturing methods
- G02F1/133394—Piezoelectric elements associated with the cells
-
- 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
- G06F2203/04103—Manufacturing, i.e. details related to manufacturing processes specially suited for touch sensitive devices
-
- 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
Definitions
- the present invention relates to a pressure detection display device and an electronic device.
- Patent Document 1 discloses a transparent piezoelectric sensor including a transparent pressure-sensitive layer and a pair of transparent conductive layers. At present, an attempt is made to manufacture a pressure detection display device by combining a transparent piezoelectric sensor and a display device (mainly a liquid crystal panel or an organic EL panel).
- the present invention is configured as follows.
- the pressure detection display device of the present invention includes a piezoelectric sensor and a display device.
- the piezoelectric sensor has a configuration in which a piezoelectric layer is sandwiched between an upper electrode and a lower electrode.
- the display device includes a polarizing plate and a display member.
- the display device has a configuration in which a polarizing plate is laminated on the piezoelectric sensor side of the display member.
- the piezoelectric layer is composed of a retardation plate, and the piezoelectric sensor and the polarizing plate are arranged so that the absorption axis of the retardation plate forms an angle of 20 ° to 70 ° with respect to the retardation axis of the polarizing plate. .
- the light emitted from the display device is converted from linearly polarized light to elliptically polarized light.
- the display of the display member disposed under the piezoelectric sensor can be visually recognized.
- the retardation value of the retardation plate may be a quarter wavelength of the visible light wavelength.
- the display device since the lighting light of the display device becomes elliptically polarized light and is emitted upward, even when wearing polarized sunglasses with an absorption axis in the same direction as the lighting light, the display device installed under the piezoelectric sensor Furthermore, it can be visually recognized well.
- the retardation value of the retardation plate may be 800 nm to 30000 nm.
- the light emitted from the display member is converted into a state close to natural light and emitted from the piezoelectric layer.
- the display member can be observed without any change in color.
- the upper electrode may contain indium tin oxide or polyethyldioxothiophene.
- a piezoelectric sensor can be disposed on a display device such as a liquid crystal or an organic EL.
- the lower electrode may contain indium tin oxide or polyethyldioxothiophene.
- the piezoelectric sensor can be disposed on a display device such as a liquid crystal or an organic EL.
- the piezoelectric layer may contain an organic piezoelectric material.
- the piezoelectric sensor can be arranged on an R curved surface.
- the organic piezoelectric material may contain polyvinylidene fluoride or polylactic acid.
- the piezoelectric sensor can be arranged on a display device such as a liquid crystal or an organic EL.
- the electronic device may include a piezoelectric sensor and a touch panel.
- the load position can be detected even when the load is hardly applied to the piezoelectric sensor.
- the capacitive touch panel may be a capacitive touch panel.
- the display device installed under the piezoelectric sensor can be seen well even when wearing polarized sunglasses.
- FIG. 1 is a cross-sectional view of a pressure detection display device.
- the pressure detection display device has a function of detecting the amount and position of a given load.
- the pressure detection device 100 includes a piezoelectric sensor 10 and a display device 20.
- the piezoelectric sensor 10 is stacked on the display device 20.
- the piezoelectric sensor 10 is a device that generates an electric charge according to a given load.
- the piezoelectric sensor 10 has a configuration in which the piezoelectric layer 1 is sandwiched between an upper electrode 2 and a lower electrode 3.
- the display device 20 is a device that displays a display object on the surface of the piezoelectric sensor 10.
- the display device 20 has a configuration in which a polarizing plate 21 is laminated on a display member 22.
- the piezoelectric sensor 10 includes a piezoelectric layer 1, an upper electrode 2, and a lower electrode 3.
- the piezoelectric layer 1 generates electric charges when a load is applied.
- a material constituting the piezoelectric layer 1 includes an organic piezoelectric material.
- the organic piezoelectric material include a fluoride polymer or a copolymer thereof, and a polymer material having chirality.
- the fluoride polymer or a copolymer thereof include polyvinylidene fluoride, vinylidene fluoride-tetrafluoroethylene copolymer, and vinylidene fluoride-trifluoroethylene copolymer.
- the polymer material having chirality include L-type polylactic acid and R-type polylactic acid.
- the piezoelectric layer 1 functions as a retardation plate.
- the organic piezoelectric material may be stretched.
- the upper electrode 2 and the lower electrode 3 may each be flat or patterned.
- the upper electrode 2 and the lower electrode 3 can be made of a conductive material.
- the conductive material include transparent conductive oxides such as indium-tin oxide (ITO), tin-zinc oxide (Tin), polyethylene dioxythiophene
- ITO indium-tin oxide
- Tin tin-zinc oxide
- PEDOT polyethylene dioxythiophene
- the electrode can be formed by using vapor deposition or screen printing.
- a conductive metal such as copper or silver may be used as the conductive material.
- the electrode may be formed by vapor deposition, or may be formed using a metal paste such as a copper paste or a silver paste.
- a material in which conductive materials such as carbon nanotubes and metal-granular metal nanofibers are dispersed in a binder may be used.
- the piezoelectric layer 1 is made of a transparent material so that the display of the display device can be seen, or It is preferable that the thickness be thin enough to transmit light sufficiently.
- the display device 20 has a configuration in which a polarizing plate 21 is laminated on a display member 22.
- the display member 22 has a configuration in which a liquid crystal element or an organic EL element is sandwiched between glass substrates.
- the polarizing plate 21 transmits only linearly polarized light in a specific direction out of the light emitted from the display member 22, and is formed to have a thickness of about 150 ⁇ m to 200 ⁇ m, for example.
- the electric charge generated in the piezoelectric layer is detected by an electronic circuit (not shown) via the upper electrode 2 and the lower electrode 3. Note that various functions of the device are switched depending on the amount of charge detected.
- the display of characters, symbols, patterns, etc. on the display member 22 is performed by the polarizing plate 21 disposed on the upper surface of the display member 22 in the X direction and in the Y direction perpendicular to the X direction.
- the light wave When the light wave is absorbed, the light becomes linearly polarized lighting light in the X direction and is emitted from the polarizing plate 21.
- this light has a function of a phase difference plate, and a piezoelectric element disposed on the polarizing plate 21 so that its absorption axis forms an angle of 20 ° to 70 ° with respect to the delay axis of the polarizing plate 21.
- the layer 1 converts linearly polarized light into elliptically polarized light.
- the angle is more preferably 40 ° to 50 °.
- the display of the display member 22 arranged under the piezoelectric sensor 10 can be visually recognized even when the polarized sunglasses with the light wave absorption axis in the same direction as the lighting light of the display member 22 are worn. Has been.
- the retardation value of the piezoelectric layer 1 is 800 nm to 30000 nm
- the light emitted from the display member 22 is emitted from the piezoelectric layer 1 without any change in color.
- the light emitted from the display member 22 is converted into a state close to natural light and emitted from the piezoelectric layer 1.
- the display member 22 can be observed without a change in color.
- the retardation value of the piezoelectric layer 1 is 1 ⁇ 4 wavelength of the visible light wavelength
- the light emitted from the display member 22 is emitted upward as light shifted by 1 ⁇ 4 wavelength by the piezoelectric layer 1.
- the display of the display member 22 disposed under the piezoelectric sensor 10 can be clearly recognized even when the sunglasses are wearing polarized sunglasses whose light wave absorption axis is in the same direction as the lighting light of the display device 22.
- the piezoelectric layer 1 of the piezoelectric sensor 10 has the function of a retardation plate, and the absorption axis thereof has an angle of 20 ° to 70 ° with respect to the delay axis of the polarizing plate 21.
- the lighting light of the display device 20 is converted from linearly polarized light to elliptically polarized light by the piezoelectric layer 1 and emitted upward.
- the display member 22 disposed under the piezoelectric sensor 10 can be visually recognized.
- the light emitted from the piezoelectric layer 1 is generally converted from linearly polarized light to circularly polarized light.
- the display member 22 disposed under the piezoelectric sensor 10 can be visually recognized more clearly.
- the retardation value of the piezoelectric layer 1 is 800 nm to 30000 nm, the light emitted from the display member 22 is converted into a state close to natural light and emitted from the piezoelectric layer 1. As a result, even if the display member 22 is observed while wearing polarized sunglasses, the display member 22 can be observed without a change in color.
- the piezoelectric layer 11 may be patterned so as to have an active portion and an inactive portion.
- FIG. 2 is a cross-sectional view of the piezoelectric sensor according to the sixth embodiment.
- the piezoelectric layer 1 includes an active piezoelectric portion 1a and an inactive piezoelectric portion 1b.
- the active piezoelectric portion 1 a is a portion where electric charges are generated when a load is applied to the piezoelectric sensor 10.
- the inactive piezoelectric portion 1b is a portion where no electric charge is generated even when a load is applied.
- FIG. 3 is a cross-sectional view of the piezoelectric sensor according to the third embodiment.
- a reference electrode 4 is provided between the upper electrode 2 and the lower electrode 3.
- a first piezoelectric layer 5 is provided between the upper electrode 2 and the reference electrode 4.
- a second piezoelectric layer 6 is provided between the lower electrode 3 and the reference electrode 4.
- the material of the first piezoelectric layer 5 and the second piezoelectric layer 6 is the same as that of the piezoelectric layer 1.
- the material of the reference electrode 4 is also the same as that of the upper electrode 2 and the lower electrode 3.
- the upper electrode 2 or the lower electrode 3 is directly laminated on the active piezoelectric portion 1a.
- the active piezoelectric portion 1a and the upper electrode 2 or between the active piezoelectric portion 1a and the lower electrode 3 are shown.
- An insulating material such as an adhesive or a film may be laminated therebetween.
- a touch panel 30 may be stacked on the piezoelectric sensor 10. By configuring as described above, the position and amount of a given load may be detected. By laminating the touch panel 30 on the piezoelectric sensor 10, the position of the applied load can be detected. Of the touch panels, it is particularly preferable to use a capacitive touch panel.
- Piezoelectric layer 1a Active piezoelectric portion 1b: Inactive piezoelectric portion 2: Upper electrode 3: Lower electrode 4: Reference electrode 5: First piezoelectric layer 6: Second piezoelectric layer 10: Piezoelectric sensor 20: Display device 21: Polarized light Plate 22: Display member 30: Touch panel 100: Pressure detection display device
Abstract
Description
(1)圧力検出表示装置の構造
図1を用いて、本発明の圧力検出表示装置の構造を説明する。図1は圧力検出表示装置の断面図である。
図1に示すように、圧力検出装置100は、圧電センサ10と表示装置20とを備えている。圧電センサ10は、表示装置20の上に積層されている。なお、圧電センサ10は、与えられた荷重に応じて電荷を発生させる装置である。圧電センサ10は、圧電層1が上部電極2と下部電極3とに挟まれた構成からなる。表示装置20は、圧電センサ10の表面に表示物を表示する装置である。表示装置20は、表示部材22の上に偏光板21が積層された構成からなる。
再び、図1に示すように、圧電センサ10は、圧電層1と上部電極2と下部電極3とを備えている。
圧電層1は、荷重が与えられると電荷を発生するものである。そのような、圧電層1を構成する材料としては有機圧電材料が挙げられる。有機圧電材料としては、フッ化物重合体又はその共重合体、キラリティーを有する高分子材料などが挙げられる。フッ化物重合体又はその共重合体としては、ポリフッ化ビニリデン、フッ化ビニリデン-テトラフルオロエチレン共重合体、フッ化ビニリデン-トリフルオロエチレン共重合体などが挙げられる。キラリティーを有する高分子材料としては、L型ポリ乳酸や、R型ポリ乳酸などが挙げられる。
上部電極2、下部電極3は、それぞれ平板状でもパターン化されていてもよい。なお、上部電極2、下部電極3は、導電性を有する材料により構成できる。導電性を有する材料としては、インジウム-スズ酸化物(Indium-Tin-Oxide、ITO)、スズ-亜鉛酸化物(Tin-Zinc-Oxide、TZO)などのような透明導電酸化物、ポリエチレンジオキシチオフェン(Polyethylenedioxythiophene、PEDOT)などの導電性高分子、などを用いることができる。この場合、上記の電極は、蒸着やスクリーン印刷などを用いて形成できる。
その結果、表示部材22から出射される光は、自然光に近い状態に変換されて圧電層1から出射される。その結果、偏光サングラスをかけて表示部材を観察しても、色味の変化を伴わないで表示部材22を観察できる。
圧電層11は、活性な部分と不活性な部分を有するようにパターニングされていてもよい。
活性圧電部1aは、圧電センサ10に荷重が与えられたときに電荷が発生する部分である。反対に不活性圧電部1bは、荷重が与えられても電荷が発生しない部分である。
上記では、上部電極2と下部電極3に圧電層1が挟まれた構成について説明してきたが、上部電極2と下部電極3の間に基準電極4が設けられていてもよい。
図4に示すように、圧電センサ10の上にタッチパネル30を積層してもよい。上記のように構成することで、与えられた荷重の位置と量を検出してもよい。
圧電センサ10の上にタッチパネル30を積層することにより、与えられた荷重の位置を検出できる。なお、タッチパネルの中でも、静電容量型タッチパネルを用いることが特に好ましい。
1a:活性圧電部
1b:不活性圧電部
2:上部電極
3:下部電極
4:基準電極
5:第1圧電層
6:第2圧電層
10:圧電センサ
20:表示装置
21:偏光板
22:表示部材
30:タッチパネル
100:圧力検出表示装置
Claims (9)
- 上部電極と下部電極に圧電層が挟まれた圧電センサと、
前記圧電センサの下部電極側に配置される偏光板と前記偏光板の下側に配置される表示部材を有する表示装置と、を備えた圧力検出表示装置であって、
前記圧電層が位相差板からなり、
前記圧電層の吸収軸が前記偏光板の遅延軸に対して20°~70°の角度を形成するように前記圧電センサと前記偏光板が配置された圧力検出表示装置。 - 前記圧電層のリタデーション値が、可視光の1/4波長である請求項1の圧力検出表示装置。
- 前記圧電層のリタデーション値が、800nm~30000nmである請求項1の圧力検出表示装置。
- 前記上部電極が、酸化インジウム錫、またはポリエチルジオキソチオフェンを含む請求項1~3の圧力検出表示装置。
- 前記下部電極が、酸化インジウム錫、またはポリエチルジオキソチオフェンを含む請求項1~4の圧力検出表示装置。
- 前記圧電層が、有機圧電材料からなる請求項1~5の圧力検出表示装置。
- 前記有機圧電材料が、ポリフッ化ビニリデンまたはポリ乳酸を含む請求項6の圧力検出表示装置。
- 請求項1~7の圧力検出表示装置とタッチパネルを備える電子機器。
- 前記タッチパネルが静電容量型タッチパネルである請求項8の電子機器。
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CN201480031751.8A CN105264468B (zh) | 2013-06-04 | 2014-05-21 | 压力检测显示装置和电子设备 |
US14/895,888 US9836171B2 (en) | 2013-06-04 | 2014-05-21 | Pressure detection and display apparatus and electronic device |
KR1020157034103A KR101631116B1 (ko) | 2013-06-04 | 2014-05-21 | 압력 검출 표시 장치 및 전자 기기 |
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DE112013002288T5 (de) | 2012-05-03 | 2015-04-16 | Apple Inc. | Momentkompensierter Biegebalkensensor zur Lastmessung auf einer Biegebalken-gestützten Plattform |
WO2014098946A1 (en) | 2012-12-17 | 2014-06-26 | Changello Enterprise Llc | Force detection in touch devices using piezoelectric sensors |
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- 2014-05-21 KR KR1020157034103A patent/KR101631116B1/ko active IP Right Grant
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US9836171B2 (en) | 2017-12-05 |
CN105264468B (zh) | 2017-07-28 |
CN105264468A (zh) | 2016-01-20 |
US20160132151A1 (en) | 2016-05-12 |
KR20150140407A (ko) | 2015-12-15 |
JP5679366B2 (ja) | 2015-03-04 |
JP2014235136A (ja) | 2014-12-15 |
KR101631116B1 (ko) | 2016-06-16 |
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