JP6836963B2 - 表示装置 - Google Patents
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- JP6836963B2 JP6836963B2 JP2017118377A JP2017118377A JP6836963B2 JP 6836963 B2 JP6836963 B2 JP 6836963B2 JP 2017118377 A JP2017118377 A JP 2017118377A JP 2017118377 A JP2017118377 A JP 2017118377A JP 6836963 B2 JP6836963 B2 JP 6836963B2
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Classifications
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- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0443—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a single layer of sensing electrodes
-
- 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
- G06F3/0414—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position
- G06F3/04144—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means using force sensing means to determine a position using an array of force sensing means
-
- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0445—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using two or more layers of sensing electrodes, e.g. using two layers of electrodes separated by a dielectric layer
-
- 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
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
- G06F3/0446—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/30—Piezoelectric or electrostrictive devices with mechanical input and electrical output, e.g. functioning as generators or sensors
- H10N30/302—Sensors
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/85—Piezoelectric or electrostrictive active materials
- H10N30/857—Macromolecular compositions
-
- 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
-
- 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
- G06F2203/04106—Multi-sensing digitiser, i.e. digitiser using at least two different sensing technologies simultaneously or alternatively, e.g. for detecting pen and finger, for saving power or for improving position detection
-
- 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
- G06F2203/04111—Cross over in capacitive digitiser, i.e. details of structures for connecting electrodes of the sensing pattern where the connections cross each other, e.g. bridge structures comprising an insulating layer, or vias through substrate
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- General Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Electroluminescent Light Sources (AREA)
Description
Claims (13)
- 第1の基板と、
前記第1の基板の上方に配置された発光素子と、
前記発光素子の上方に設けられた絶縁表面を有する絶縁層と、
前記絶縁表面の上面に設けられたタッチセンサと、を含み、
前記タッチセンサは、
前記絶縁表面の上面に設けられた複数の第1の電極と、
前記絶縁表面の上面に設けられ、前記複数の第1の電極と第1の静電容量を形成する複数の第2の電極と、
前記複数の第1の電極と前記複数の第2の電極との上面に設けられ、押圧力の印加に応じて帯電する圧電性層と、
前記第1の電極にパルス電圧を印加するパルス発生器と、
前記パルス電圧の印加に起因した前記第2の電極に関する第1の測定値の変化から前記第1の静電容量の変化を検知し、前記パルス電圧の印加に起因しない前記第2の電極に関する第2の測定値の変化から前記押圧力の強度を検知する判別回路と、
を含む、表示装置。 - 前記複数の第1の電極は、
前記第1の基板の形成平面における第1の方向に接続された列状の第1の電極の群を複数含む、
請求項1に記載の表示装置。 - 前記複数の第1の電極と前記パルス発生器との間に配置され、複数の前記列状の第1の電極の群の内の一つを順に選択し、選択された前記列状の第1の電極の群に前記パルス発生器からの前記パルス電圧を印加する第1選択回路を更に含む、
請求項2に記載の表示装置。 - 前記第1の方向に接続された列状の第1の電極の群において、隣り合う二つの前記第1の電極は第1の接続部により接続された、
請求項2又は3に記載の表示装置。 - 前記複数の第2の電極は、
前記第1の基板の形成平面において前記第1の方向と交差する第2の方向に接続された列状の第2の電極の群を複数含む、
請求項2乃至4のいずれか一つに記載の表示装置。 - 前記複数の第2の電極と前記判別回路との間に配置され、複数の前記列状の第2の電極の群の内の一つを順に選択し、選択された前記列状の第2の電極の群から出力される物理量の変化を前記判別回路に伝達する第2選択回路を更に含む、
請求項5に記載の表示装置。 - 前記第2の方向に接続された列状の第2の電極の群において、隣り合う二つの前記第2の電極は第2の接続部により接続された、
請求項5又は6に記載の表示装置。 - 前記タッチセンサの上方に設けられた第2の基板を更に含み、
前記判別回路が、前記第1選択回路の選択状況、前記第2の選択回路の選択状況、及び前記第1の測定値の変化から、前記第2の基板に接触する導電体からなる入力体の、前記第1の基板の形成平面における位置を検知し、前記第2の測定値の変化から、前記第2の基板に対する前記入力体の押圧力の強度を検知する、
請求項6又は7に記載の表示装置。 - 前記第1の測定値と、前記第2の測定値とは、タイミングをずらして測定し、
前記第1の測定値を測定する際には、前記パルス発生器がパルス電圧を前記第1の電極に印加し、前記第2の測定値を測定する際には、前記パルス発生器がパルス電圧を前記第1の電極に印加しない、
請求項1乃至8のいずれか一つに記載の表示装置。 - 前記圧電性層は、その構成材料として、ポリフッ化ビニリデン、トリフッ化エチレン、ポリ乳酸の内の少なくともいずれか一つを含む、
請求項1乃至9のいずれか一つに記載の表示装置。 - 前記発光素子の側面に設けられたバンクを更に含み、
前記第1の電極と前記第2の電極との間が、前記バンクの上方に位置する、
請求項1乃至10のいずれか一つに記載の表示装置。 - 前記複数の発光素子の上方に、少なくとも一層の無機絶縁層を含む封止層を更に含み、
前記封止層の上面が前記絶縁表面を構成する、
請求項1乃至11のいずれか一つに記載の表示装置。 - 前記発光素子が設けられる表示領域を有し、
前記圧電性層は、前記表示領域全面に亘り設けられる、
請求項1乃至12のいずれか一つに記載の表示装置。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017118377A JP6836963B2 (ja) | 2017-06-16 | 2017-06-16 | 表示装置 |
PCT/JP2018/020298 WO2018230317A1 (ja) | 2017-06-16 | 2018-05-28 | 表示装置 |
US16/713,065 US20200117297A1 (en) | 2017-06-16 | 2019-12-13 | Display device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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JP2017118377A JP6836963B2 (ja) | 2017-06-16 | 2017-06-16 | 表示装置 |
Publications (2)
Publication Number | Publication Date |
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JP2019003466A JP2019003466A (ja) | 2019-01-10 |
JP6836963B2 true JP6836963B2 (ja) | 2021-03-03 |
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JP2017118377A Active JP6836963B2 (ja) | 2017-06-16 | 2017-06-16 | 表示装置 |
Country Status (3)
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US (1) | US20200117297A1 (ja) |
JP (1) | JP6836963B2 (ja) |
WO (1) | WO2018230317A1 (ja) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5780303B2 (ja) * | 2011-08-11 | 2015-09-16 | 株式会社村田製作所 | タッチパネル |
JP5954500B2 (ja) * | 2013-09-27 | 2016-07-20 | 株式会社村田製作所 | タッチ式入力装置 |
-
2017
- 2017-06-16 JP JP2017118377A patent/JP6836963B2/ja active Active
-
2018
- 2018-05-28 WO PCT/JP2018/020298 patent/WO2018230317A1/ja active Application Filing
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2019
- 2019-12-13 US US16/713,065 patent/US20200117297A1/en not_active Abandoned
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Publication number | Publication date |
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JP2019003466A (ja) | 2019-01-10 |
US20200117297A1 (en) | 2020-04-16 |
WO2018230317A1 (ja) | 2018-12-20 |
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