KR20150140407A - 압력 검출 표시 장치 및 전자 기기 - Google Patents
압력 검출 표시 장치 및 전자 기기 Download PDFInfo
- Publication number
- KR20150140407A KR20150140407A KR1020157034103A KR20157034103A KR20150140407A KR 20150140407 A KR20150140407 A KR 20150140407A KR 1020157034103 A KR1020157034103 A KR 1020157034103A KR 20157034103 A KR20157034103 A KR 20157034103A KR 20150140407 A KR20150140407 A KR 20150140407A
- Authority
- KR
- South Korea
- Prior art keywords
- piezoelectric
- piezoelectric layer
- display device
- polarizing plate
- piezoelectric sensor
- 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.)
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- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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
- 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
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- 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
- G06—COMPUTING OR CALCULATING; 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
- G02F1/133394—Piezoelectric elements associated with the cells
-
- G02F2001/133394—
-
- G—PHYSICS
- G06—COMPUTING OR CALCULATING; 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 OR CALCULATING; 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Liquid Crystal (AREA)
- Nonlinear Science (AREA)
- Electroluminescent Light Sources (AREA)
- Polarising Elements (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Force Measurement Appropriate To Specific Purposes (AREA)
- Optics & Photonics (AREA)
Abstract
Description
도 2는 압전 센서의 단면도이다.
도 3은 압전 센서의 단면도이다.
도 4는 전자 기기의 단면도이다.
1a: 활성 압전부
1b: 불활성 압전부
2: 상부 전극
3: 하부 전극
4: 기준 전극
5: 제1 압전층
6: 제2 압전층
10: 압전 센서
20: 표시 장치
21: 편광판
22: 표시 부재
30: 터치 패널
100: 압력 검출 표시 장치
Claims (9)
- 상부 전극과 하부 전극에 압전층이 협지된 압전 센서, 및
상기 압전 센서의 하부 전극측에 배치되는 편광판과 상기 편광판의 하측에 배치되는 표시 부재를 가지는 표시 장치를 구비한 압력 검출 표시 장치로서,
상기 압전층이 위상차판(位相差板)으로 이루어지고,
상기 압전층의 흡수축이 상기 편광판의 지연축에 대하여 20°~70°의 각도를 형성하도록 상기 압전 센서와 상기 편광판이 배치된, 압력 검출 표시 장치. - 제1항에 있어서,
상기 압전층의 위상차값이 가시광의 1/4파장인, 압력 검출 표시 장치. - 제1항에 있어서,
상기 압전층의 위상차값이 800nm~30000nm인, 압력 검출 표시 장치. - 제1항 내지 제3항 중 어느 한 항에 있어서,
상기 상부 전극이, 산화 인듐 주석 또는 폴리에틸렌디옥시티오펜을 포함하는, 압력 검출 표시 장치. - 제1항 내지 제4항 중 어느 한 항에 있어서,
상기 하부 전극이, 산화 인듐 주석 또는 폴리에틸렌디옥시티오펜을 포함하는, 압력 검출 표시 장치. - 제1항 내지 제5항 중 어느 한 항에 있어서,
상기 압전 층이 유기 압전 재료로 이루어지는, 압력 검출 표시 장치. - 제6항에 있어서,
상기 유기 압전 재료가, 폴리불화비닐리덴 또는 폴리락트산을 포함하는, 압력 검출 표시 장치. - 제1항 내지 제7항 중 어느 한 항의 압력 검출 표시 장치와 터치 패널을 구비하는 전자 기기.
- 제8항에 있어서,
상기 터치 패널이 정전 용량형 터치 패널인, 전자 기기.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2013118300A JP5679366B2 (ja) | 2013-06-04 | 2013-06-04 | 圧力検出表示装置および電子機器 |
| JPJP-P-2013-118300 | 2013-06-04 | ||
| PCT/JP2014/063508 WO2014196365A1 (ja) | 2013-06-04 | 2014-05-21 | 圧力検出表示装置および電子機器 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| KR20150140407A true KR20150140407A (ko) | 2015-12-15 |
| KR101631116B1 KR101631116B1 (ko) | 2016-06-16 |
Family
ID=52008017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| KR1020157034103A Expired - Fee Related KR101631116B1 (ko) | 2013-06-04 | 2014-05-21 | 압력 검출 표시 장치 및 전자 기기 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US9836171B2 (ko) |
| JP (1) | JP5679366B2 (ko) |
| KR (1) | KR101631116B1 (ko) |
| CN (1) | CN105264468B (ko) |
| WO (1) | WO2014196365A1 (ko) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210000603A (ko) * | 2019-06-25 | 2021-01-05 | 엘지디스플레이 주식회사 | 센서를 포함하는 표시장치 |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013165601A1 (en) | 2012-05-03 | 2013-11-07 | Yknots Industries Llc | Moment compensated bending beam sensor for load measurement on platform supported by bending beams |
| US9983715B2 (en) | 2012-12-17 | 2018-05-29 | Apple Inc. | Force detection in touch devices using piezoelectric sensors |
| US9952703B2 (en) | 2013-03-15 | 2018-04-24 | Apple Inc. | Force sensing of inputs through strain analysis |
| CN105684177B (zh) * | 2013-10-28 | 2019-05-21 | 苹果公司 | 基于压电的力感测 |
| AU2015100011B4 (en) | 2014-01-13 | 2015-07-16 | Apple Inc. | Temperature compensating transparent force sensor |
| US9612170B2 (en) | 2015-07-21 | 2017-04-04 | Apple Inc. | Transparent strain sensors in an electronic device |
| US10055048B2 (en) | 2015-07-31 | 2018-08-21 | Apple Inc. | Noise adaptive force touch |
| US9874965B2 (en) | 2015-09-11 | 2018-01-23 | Apple Inc. | Transparent strain sensors in an electronic device |
| US9886118B2 (en) | 2015-09-30 | 2018-02-06 | Apple Inc. | Transparent force sensitive structures in an electronic device |
| US10209830B2 (en) | 2016-03-31 | 2019-02-19 | Apple Inc. | Electronic device having direction-dependent strain elements |
| US10133418B2 (en) | 2016-09-07 | 2018-11-20 | Apple Inc. | Force sensing in an electronic device using a single layer of strain-sensitive structures |
| KR102568386B1 (ko) * | 2016-09-30 | 2023-08-21 | 삼성디스플레이 주식회사 | 터치 센서를 포함하는 표시 장치 |
| US10444091B2 (en) | 2017-04-11 | 2019-10-15 | Apple Inc. | Row column architecture for strain sensing |
| US10309846B2 (en) | 2017-07-24 | 2019-06-04 | Apple Inc. | Magnetic field cancellation for strain sensors |
| CN109920777A (zh) * | 2018-06-22 | 2019-06-21 | 京东方科技集团股份有限公司 | 显示面板及其制造方法、显示装置和控制方法 |
| US10782818B2 (en) | 2018-08-29 | 2020-09-22 | Apple Inc. | Load cell array for detection of force input to an electronic device enclosure |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010108490A (ja) * | 2008-10-03 | 2010-05-13 | Daikin Ind Ltd | タッチパネルおよび透明圧電シート |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000137217A (ja) * | 1998-11-02 | 2000-05-16 | Hitachi Ltd | 液晶パネルおよび液晶表示装置 |
| JP2004125571A (ja) | 2002-10-01 | 2004-04-22 | National Institute Of Advanced Industrial & Technology | 透明圧電センサおよびそれを備えた入力装置 |
| JP5363022B2 (ja) * | 2007-04-11 | 2013-12-11 | 富士フイルム株式会社 | 光学異方性膜及び液晶表示装置 |
| US20090072670A1 (en) * | 2007-09-13 | 2009-03-19 | Sony Ericsson Mobile Communications Ab | Input device and method for registering user input on an electronic device |
| JP2010181561A (ja) * | 2009-02-04 | 2010-08-19 | Teijin Ltd | 光学用ポリ乳酸フィルムおよびその製造方法 |
| KR20110079611A (ko) | 2008-09-29 | 2011-07-07 | 데이진 가부시키가이샤 | 폴리락트산 필름 |
| JPWO2011122352A1 (ja) * | 2010-03-29 | 2013-07-08 | シャープ株式会社 | 表示装置、圧力検出装置および表示装置の製造方法 |
| EP2743804B1 (en) * | 2011-08-11 | 2018-11-14 | Murata Manufacturing Co., Ltd. | Touch panel |
-
2013
- 2013-06-04 JP JP2013118300A patent/JP5679366B2/ja not_active Expired - Fee Related
-
2014
- 2014-05-21 KR KR1020157034103A patent/KR101631116B1/ko not_active Expired - Fee Related
- 2014-05-21 US US14/895,888 patent/US9836171B2/en not_active Expired - Fee Related
- 2014-05-21 CN CN201480031751.8A patent/CN105264468B/zh not_active Expired - Fee Related
- 2014-05-21 WO PCT/JP2014/063508 patent/WO2014196365A1/ja not_active Ceased
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010108490A (ja) * | 2008-10-03 | 2010-05-13 | Daikin Ind Ltd | タッチパネルおよび透明圧電シート |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20210000603A (ko) * | 2019-06-25 | 2021-01-05 | 엘지디스플레이 주식회사 | 센서를 포함하는 표시장치 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2014235136A (ja) | 2014-12-15 |
| JP5679366B2 (ja) | 2015-03-04 |
| US20160132151A1 (en) | 2016-05-12 |
| CN105264468A (zh) | 2016-01-20 |
| CN105264468B (zh) | 2017-07-28 |
| WO2014196365A1 (ja) | 2014-12-11 |
| US9836171B2 (en) | 2017-12-05 |
| KR101631116B1 (ko) | 2016-06-16 |
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