JP5856373B2 - タッチ感知表示装置 - Google Patents
タッチ感知表示装置 Download PDFInfo
- Publication number
- JP5856373B2 JP5856373B2 JP2011004472A JP2011004472A JP5856373B2 JP 5856373 B2 JP5856373 B2 JP 5856373B2 JP 2011004472 A JP2011004472 A JP 2011004472A JP 2011004472 A JP2011004472 A JP 2011004472A JP 5856373 B2 JP5856373 B2 JP 5856373B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- guide plate
- light guide
- touch
- receiving element
- 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.)
- Expired - Fee Related
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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
- G06F3/0412—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
- G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
- G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen
-
- 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
- G06F2203/04109—FTIR in optical digitiser, i.e. touch detection by frustrating the total internal reflection within an optical waveguide due to changes of optical properties or deformation at the touch location
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Human Computer Interaction (AREA)
- Position Input By Displaying (AREA)
- Nonlinear Science (AREA)
- Optics & Photonics (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Mathematical Physics (AREA)
- Liquid Crystal (AREA)
- Photo Coupler, Interrupter, Optical-To-Optical Conversion Devices (AREA)
- Geophysics And Detection Of Objects (AREA)
Description
前記受光素子は、前記導光板の入射面と対向する面に沿って一列に配置され、
前記受光素子から信号を受信し、前記導光板においてタッチされた位置(X座標、Y座標)を決定するコンピュータをさらに有することを特徴とする。
前記受光素子は前記入射面に垂直な前記導光板の面に配置してもよい。
前記受光素子は2次元配列された複数のセンサーを含んでもよい。
前記受光素子はマトリックス状に配置され、前記各センサーは基板上の画素に対応して形成されてもよい。
前記導光板は0.5〜1mmの厚さを有してもよい。
前記受光素子は第1基板上に形成されてもよい。
前記受光素子は一列に配列されている複数のセンサーを含んでもよい。
前記タッチ感知表示装置は、前記導光板上に配置された補助層をさらに含み、前記補助層は前記導光板より小さい屈折率を有してもよい。
101 全反射光
102 散乱光
103 入射面
110 発光素子
120 受光素子
130 補助層
200 液晶層
270 共通電極
300 薄膜トランジスター基板
301 カラーフィルター層
302 遮光部材
401 上部偏光板
402 下部偏光板
500 上部基板
600 接触体
Claims (6)
- 液晶層を支持する導光板及び基板、
前記導光板の一つの入射面に沿って配置された発光素子、
前記導光板から放出する光を感知するために配置された複数の受光素子を有し、
前記導光板は光が全反射によって伝達されるようにし、
前記受光素子は、前記導光板の入射面と対向する面に沿って一列に配置され、
前記受光素子から信号を受信し、前記導光板においてタッチされた位置(X座標、Y座標)を決定するコンピュータをさらに有することを特徴とする、タッチ感知表示装置。 - 前記受光素子は全反射によって前記導光板を透過した光の量を測定することを特徴とする、請求項1に記載のタッチ感知表示装置。
- 液晶層を支持する導光板及び基板、
前記導光板の一つの入射面に沿って配置された発光素子、
前記導光板から放出する光を感知するために配置された複数の受光素子を有し、
前記導光板は光が全反射によって伝達されるようにし、
前記受光素子は前記基板上に設けられた遮光部材に対応して前記導光板と前記基板の間であり、且つ前記導光板と前記液晶層との間に2次元的に配列するように配置され、前記導光板において物体によって散乱した光の量を測定することを特徴とするタッチ感知表示装置。 - 前記受光素子は、前記入射面に垂直な前記導光板の面に配置されていることを特徴とする、請求項3に記載のタッチ感知表示装置。
- 前記受光素子は、2次元配列された複数のセンサーを含むことを特徴とする、請求項3に記載のタッチ感知表示装置。
- 前記受光素子はマトリックス状で配置され、前記各センサーは基板上の画素に対応して形成されていることを特徴とする、請求項5に記載のタッチ感知表示装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2010-0026311 | 2010-03-24 | ||
KR1020100026311A KR101749266B1 (ko) | 2010-03-24 | 2010-03-24 | 터치감지 표시 장치 및 컴퓨터용 기록매체 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2011204223A JP2011204223A (ja) | 2011-10-13 |
JP5856373B2 true JP5856373B2 (ja) | 2016-02-09 |
Family
ID=43728797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011004472A Expired - Fee Related JP5856373B2 (ja) | 2010-03-24 | 2011-01-13 | タッチ感知表示装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US9019238B2 (ja) |
EP (1) | EP2369451B1 (ja) |
JP (1) | JP5856373B2 (ja) |
KR (1) | KR101749266B1 (ja) |
CN (1) | CN102200855B (ja) |
Cited By (1)
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---|---|---|---|---|
US7662478B2 (en) | 2001-12-07 | 2010-02-16 | Sumitomo Chemical Company, Limited | Polymer and polymer light-emitting device using the same |
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2010
- 2010-03-24 KR KR1020100026311A patent/KR101749266B1/ko active IP Right Grant
- 2010-10-28 US US12/914,888 patent/US9019238B2/en not_active Expired - Fee Related
-
2011
- 2011-01-13 JP JP2011004472A patent/JP5856373B2/ja not_active Expired - Fee Related
- 2011-01-21 EP EP11151617.5A patent/EP2369451B1/en not_active Not-in-force
- 2011-02-23 CN CN201110043285.3A patent/CN102200855B/zh not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7662478B2 (en) | 2001-12-07 | 2010-02-16 | Sumitomo Chemical Company, Limited | Polymer and polymer light-emitting device using the same |
Also Published As
Publication number | Publication date |
---|---|
KR20110107128A (ko) | 2011-09-30 |
CN102200855B (zh) | 2016-07-06 |
JP2011204223A (ja) | 2011-10-13 |
CN102200855A (zh) | 2011-09-28 |
US9019238B2 (en) | 2015-04-28 |
EP2369451A2 (en) | 2011-09-28 |
US20110234537A1 (en) | 2011-09-29 |
EP2369451A3 (en) | 2015-03-11 |
EP2369451B1 (en) | 2017-05-17 |
KR101749266B1 (ko) | 2017-07-04 |
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